Home / 88,037,133.90-132,079,320.45-78,518,435.10

Finding the Fourth Proportional to 88,037,133.90, 132,079,320.45 and 78,518,435.10

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Solution

The fourth proportional to 88,037,133.90, 132,079,320.45 and 78,518,435.10 is: 117,798,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,037,133.90 : 132,079,320.45 = 78,518,435.10 : x
  2. Step 2: Convert to fraction form
    88,037,133.90/132,079,320.45 = 78,518,435.10/x
  3. Step 3: Cross multiply
    88,037,133.90x = 132,079,320.45 × 78,518,435.10
  4. Step 4: Simplify right side
    88,037,133.90x = 10,370,661,550,805,428
  5. Step 5: Solve for x
    x = 10,370,661,550,805,428/88,037,133.90
  6. Step 6: Final answer
    x = 117,798,718.47

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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.