Home / 159,495,547.20-239,243,320.80-91,282,142.40

Finding the Fourth Proportional to 159,495,547.20, 239,243,320.80 and 91,282,142.40

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Solution

The fourth proportional to 159,495,547.20, 239,243,320.80 and 91,282,142.40 is: 136,923,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,495,547.20 : 239,243,320.80 = 91,282,142.40 : x
  2. Step 2: Convert to fraction form
    159,495,547.20/239,243,320.80 = 91,282,142.40/x
  3. Step 3: Cross multiply
    159,495,547.20x = 239,243,320.80 × 91,282,142.40
  4. Step 4: Simplify right side
    159,495,547.20x = 21,838,642,877,514,484
  5. Step 5: Solve for x
    x = 21,838,642,877,514,484/159,495,547.20
  6. Step 6: Final answer
    x = 136,923,213.60

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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.