Home / 84,371,172.64-126,350,379.02-76,192,298.08

Finding the Fourth Proportional to 84,371,172.64, 126,350,379.02 and 76,192,298.08

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Solution

The fourth proportional to 84,371,172.64, 126,350,379.02 and 76,192,298.08 is: 114,102,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,371,172.64 : 126,350,379.02 = 76,192,298.08 : x
  2. Step 2: Convert to fraction form
    84,371,172.64/126,350,379.02 = 76,192,298.08/x
  3. Step 3: Cross multiply
    84,371,172.64x = 126,350,379.02 × 76,192,298.08
  4. Step 4: Simplify right side
    84,371,172.64x = 9,626,925,740,812,818
  5. Step 5: Solve for x
    x = 9,626,925,740,812,818/84,371,172.64
  6. Step 6: Final answer
    x = 114,102,073.49

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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.