Home / 112,103,687.40-168,155,531.10-89,428,871.40

Finding the Fourth Proportional to 112,103,687.40, 168,155,531.10 and 89,428,871.40

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Solution

The fourth proportional to 112,103,687.40, 168,155,531.10 and 89,428,871.40 is: 134,143,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,103,687.40 : 168,155,531.10 = 89,428,871.40 : x
  2. Step 2: Convert to fraction form
    112,103,687.40/168,155,531.10 = 89,428,871.40/x
  3. Step 3: Cross multiply
    112,103,687.40x = 168,155,531.10 × 89,428,871.40
  4. Step 4: Simplify right side
    112,103,687.40x = 15,037,959,365,940,602
  5. Step 5: Solve for x
    x = 15,037,959,365,940,602/112,103,687.40
  6. Step 6: Final answer
    x = 134,143,307.10

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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.