Home / 99,547,898.40-137,376,071.12-53,762,810.40

Finding the Fourth Proportional to 99,547,898.40, 137,376,071.12 and 53,762,810.40

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Solution

The fourth proportional to 99,547,898.40, 137,376,071.12 and 53,762,810.40 is: 74,192,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,547,898.40 : 137,376,071.12 = 53,762,810.40 : x
  2. Step 2: Convert to fraction form
    99,547,898.40/137,376,071.12 = 53,762,810.40/x
  3. Step 3: Cross multiply
    99,547,898.40x = 137,376,071.12 × 53,762,810.40
  4. Step 4: Simplify right side
    99,547,898.40x = 7,385,723,665,121,476
  5. Step 5: Solve for x
    x = 7,385,723,665,121,476/99,547,898.40
  6. Step 6: Final answer
    x = 74,192,662.87

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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.