Home / 65,203,411.40-97,805,117.10-42,245,160.20

Finding the Fourth Proportional to 65,203,411.40, 97,805,117.10 and 42,245,160.20

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Solution

The fourth proportional to 65,203,411.40, 97,805,117.10 and 42,245,160.20 is: 63,367,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,203,411.40 : 97,805,117.10 = 42,245,160.20 : x
  2. Step 2: Convert to fraction form
    65,203,411.40/97,805,117.10 = 42,245,160.20/x
  3. Step 3: Cross multiply
    65,203,411.40x = 97,805,117.10 × 42,245,160.20
  4. Step 4: Simplify right side
    65,203,411.40x = 4,131,792,840,269,259.50
  5. Step 5: Solve for x
    x = 4,131,792,840,269,259.50/65,203,411.40
  6. Step 6: Final answer
    x = 63,367,740.30

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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.