Home / 242,547,008.40-363,820,512.60-121,334,720.40

Finding the Fourth Proportional to 242,547,008.40, 363,820,512.60 and 121,334,720.40

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Solution

The fourth proportional to 242,547,008.40, 363,820,512.60 and 121,334,720.40 is: 182,002,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,547,008.40 : 363,820,512.60 = 121,334,720.40 : x
  2. Step 2: Convert to fraction form
    242,547,008.40/363,820,512.60 = 121,334,720.40/x
  3. Step 3: Cross multiply
    242,547,008.40x = 363,820,512.60 × 121,334,720.40
  4. Step 4: Simplify right side
    242,547,008.40x = 44,144,060,172,105,680
  5. Step 5: Solve for x
    x = 44,144,060,172,105,680/242,547,008.40
  6. Step 6: Final answer
    x = 182,002,080.60

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1.5x scale

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.