Home / 65,617,801.20-98,426,701.80-61,838,665.20

Finding the Fourth Proportional to 65,617,801.20, 98,426,701.80 and 61,838,665.20

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Solution

The fourth proportional to 65,617,801.20, 98,426,701.80 and 61,838,665.20 is: 92,757,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,617,801.20 : 98,426,701.80 = 61,838,665.20 : x
  2. Step 2: Convert to fraction form
    65,617,801.20/98,426,701.80 = 61,838,665.20/x
  3. Step 3: Cross multiply
    65,617,801.20x = 98,426,701.80 × 61,838,665.20
  4. Step 4: Simplify right side
    65,617,801.20x = 6,086,575,859,350,437
  5. Step 5: Solve for x
    x = 6,086,575,859,350,437/65,617,801.20
  6. Step 6: Final answer
    x = 92,757,997.80

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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.