Home / 177,643,946.40-266,913,817.20-112,978,730.40

Finding the Fourth Proportional to 177,643,946.40, 266,913,817.20 and 112,978,730.40

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Solution

The fourth proportional to 177,643,946.40, 266,913,817.20 and 112,978,730.40 is: 169,752,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,643,946.40 : 266,913,817.20 = 112,978,730.40 : x
  2. Step 2: Convert to fraction form
    177,643,946.40/266,913,817.20 = 112,978,730.40/x
  3. Step 3: Cross multiply
    177,643,946.40x = 266,913,817.20 × 112,978,730.40
  4. Step 4: Simplify right side
    177,643,946.40x = 30,155,584,193,473,684
  5. Step 5: Solve for x
    x = 30,155,584,193,473,684/177,643,946.40
  6. Step 6: Final answer
    x = 169,752,951.36

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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.