Home / 99,547,905.40-137,376,080.78-53,762,817.40

Finding the Fourth Proportional to 99,547,905.40, 137,376,080.78 and 53,762,817.40

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Solution

The fourth proportional to 99,547,905.40, 137,376,080.78 and 53,762,817.40 is: 74,192,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,547,905.40 : 137,376,080.78 = 53,762,817.40 : x
  2. Step 2: Convert to fraction form
    99,547,905.40/137,376,080.78 = 53,762,817.40/x
  3. Step 3: Cross multiply
    99,547,905.40x = 137,376,080.78 × 53,762,817.40
  4. Step 4: Simplify right side
    99,547,905.40x = 7,385,725,146,102,789
  5. Step 5: Solve for x
    x = 7,385,725,146,102,789/99,547,905.40
  6. Step 6: Final answer
    x = 74,192,672.53

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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.