Home / 129,791,141,264.92-178,695,495,933.06-101,208,118,520.92

Finding the Fourth Proportional to 129,791,141,264.92, 178,695,495,933.06 and 101,208,118,520.92

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Solution

The fourth proportional to 129,791,141,264.92, 178,695,495,933.06 and 101,208,118,520.92 is: 139,342,598,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,791,141,264.92 : 178,695,495,933.06 = 101,208,118,520.92 : x
  2. Step 2: Convert to fraction form
    129,791,141,264.92/178,695,495,933.06 = 101,208,118,520.92/x
  3. Step 3: Cross multiply
    129,791,141,264.92x = 178,695,495,933.06 × 101,208,118,520.92
  4. Step 4: Simplify right side
    129,791,141,264.92x = 18,085,434,931,547,713,044,480
  5. Step 5: Solve for x
    x = 18,085,434,931,547,713,044,480/129,791,141,264.92
  6. Step 6: Final answer
    x = 139,342,598,849.89

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1.5x scale

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.