Home / 65,617,807.20-98,426,710.80-61,838,671.20

Finding the Fourth Proportional to 65,617,807.20, 98,426,710.80 and 61,838,671.20

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Solution

The fourth proportional to 65,617,807.20, 98,426,710.80 and 61,838,671.20 is: 92,758,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,617,807.20 : 98,426,710.80 = 61,838,671.20 : x
  2. Step 2: Convert to fraction form
    65,617,807.20/98,426,710.80 = 61,838,671.20/x
  3. Step 3: Cross multiply
    65,617,807.20x = 98,426,710.80 × 61,838,671.20
  4. Step 4: Simplify right side
    65,617,807.20x = 6,086,577,006,458,689
  5. Step 5: Solve for x
    x = 6,086,577,006,458,689/65,617,807.20
  6. Step 6: Final answer
    x = 92,758,006.80

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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.