Home / 65,852,057.10-98,778,085.65-20,418,444.30

Finding the Fourth Proportional to 65,852,057.10, 98,778,085.65 and 20,418,444.30

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Solution

The fourth proportional to 65,852,057.10, 98,778,085.65 and 20,418,444.30 is: 30,627,666.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,852,057.10 : 98,778,085.65 = 20,418,444.30 : x
  2. Step 2: Convert to fraction form
    65,852,057.10/98,778,085.65 = 20,418,444.30/x
  3. Step 3: Cross multiply
    65,852,057.10x = 98,778,085.65 × 20,418,444.30
  4. Step 4: Simplify right side
    65,852,057.10x = 2,016,894,839,905,154.50
  5. Step 5: Solve for x
    x = 2,016,894,839,905,154.50/65,852,057.10
  6. Step 6: Final answer
    x = 30,627,666.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.