Home / 242,547,009.40-363,820,514.10-121,334,721.40

Finding the Fourth Proportional to 242,547,009.40, 363,820,514.10 and 121,334,721.40

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Solution

The fourth proportional to 242,547,009.40, 363,820,514.10 and 121,334,721.40 is: 182,002,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,547,009.40 : 363,820,514.10 = 121,334,721.40 : x
  2. Step 2: Convert to fraction form
    242,547,009.40/363,820,514.10 = 121,334,721.40/x
  3. Step 3: Cross multiply
    242,547,009.40x = 363,820,514.10 × 121,334,721.40
  4. Step 4: Simplify right side
    242,547,009.40x = 44,144,060,717,928,280
  5. Step 5: Solve for x
    x = 44,144,060,717,928,280/242,547,009.40
  6. Step 6: Final answer
    x = 182,002,082.10

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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.