Home / 102,648,812.08-141,655,357.56-56,240,823.28

Finding the Fourth Proportional to 102,648,812.08, 141,655,357.56 and 56,240,823.28

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Solution

The fourth proportional to 102,648,812.08, 141,655,357.56 and 56,240,823.28 is: 77,612,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,648,812.08 : 141,655,357.56 = 56,240,823.28 : x
  2. Step 2: Convert to fraction form
    102,648,812.08/141,655,357.56 = 56,240,823.28/x
  3. Step 3: Cross multiply
    102,648,812.08x = 141,655,357.56 × 56,240,823.28
  4. Step 4: Simplify right side
    102,648,812.08x = 7,966,813,931,197,172
  5. Step 5: Solve for x
    x = 7,966,813,931,197,172/102,648,812.08
  6. Step 6: Final answer
    x = 77,612,334.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.