Home / 177,643,869.60-266,465,804.40-137,283,319.20

Finding the Fourth Proportional to 177,643,869.60, 266,465,804.40 and 137,283,319.20

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Solution

The fourth proportional to 177,643,869.60, 266,465,804.40 and 137,283,319.20 is: 205,924,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,643,869.60 : 266,465,804.40 = 137,283,319.20 : x
  2. Step 2: Convert to fraction form
    177,643,869.60/266,465,804.40 = 137,283,319.20/x
  3. Step 3: Cross multiply
    177,643,869.60x = 266,465,804.40 × 137,283,319.20
  4. Step 4: Simplify right side
    177,643,869.60x = 36,581,310,081,329,960
  5. Step 5: Solve for x
    x = 36,581,310,081,329,960/177,643,869.60
  6. Step 6: Final answer
    x = 205,924,978.80

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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.