Home / 113,325,666.40-169,988,499.60-90,650,850.40

Finding the Fourth Proportional to 113,325,666.40, 169,988,499.60 and 90,650,850.40

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Solution

The fourth proportional to 113,325,666.40, 169,988,499.60 and 90,650,850.40 is: 135,976,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,325,666.40 : 169,988,499.60 = 90,650,850.40 : x
  2. Step 2: Convert to fraction form
    113,325,666.40/169,988,499.60 = 90,650,850.40/x
  3. Step 3: Cross multiply
    113,325,666.40x = 169,988,499.60 × 90,650,850.40
  4. Step 4: Simplify right side
    113,325,666.40x = 15,409,602,046,960,060
  5. Step 5: Solve for x
    x = 15,409,602,046,960,060/113,325,666.40
  6. Step 6: Final answer
    x = 135,976,275.60

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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.