Home / 65,656,569.40-98,484,854.10-20,232,287.80

Finding the Fourth Proportional to 65,656,569.40, 98,484,854.10 and 20,232,287.80

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Solution

The fourth proportional to 65,656,569.40, 98,484,854.10 and 20,232,287.80 is: 30,348,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,656,569.40 : 98,484,854.10 = 20,232,287.80 : x
  2. Step 2: Convert to fraction form
    65,656,569.40/98,484,854.10 = 20,232,287.80/x
  3. Step 3: Cross multiply
    65,656,569.40x = 98,484,854.10 × 20,232,287.80
  4. Step 4: Simplify right side
    65,656,569.40x = 1,992,573,912,092,210
  5. Step 5: Solve for x
    x = 1,992,573,912,092,210/65,656,569.40
  6. Step 6: Final answer
    x = 30,348,431.70

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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.