Home / 178,806,316.80-268,272,460.80-87,869,107.20

Finding the Fourth Proportional to 178,806,316.80, 268,272,460.80 and 87,869,107.20

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Solution

The fourth proportional to 178,806,316.80, 268,272,460.80 and 87,869,107.20 is: 131,834,613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,806,316.80 : 268,272,460.80 = 87,869,107.20 : x
  2. Step 2: Convert to fraction form
    178,806,316.80/268,272,460.80 = 87,869,107.20/x
  3. Step 3: Cross multiply
    178,806,316.80x = 268,272,460.80 × 87,869,107.20
  4. Step 4: Simplify right side
    178,806,316.80x = 23,572,861,616,843,000
  5. Step 5: Solve for x
    x = 23,572,861,616,843,000/178,806,316.80
  6. Step 6: Final answer
    x = 131,834,613.22

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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.