Home / 177,870,122.28-245,265,849.54-115,875,495.72

Finding the Fourth Proportional to 177,870,122.28, 245,265,849.54 and 115,875,495.72

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Solution

The fourth proportional to 177,870,122.28, 245,265,849.54 and 115,875,495.72 is: 159,781,201.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,870,122.28 : 245,265,849.54 = 115,875,495.72 : x
  2. Step 2: Convert to fraction form
    177,870,122.28/245,265,849.54 = 115,875,495.72/x
  3. Step 3: Cross multiply
    177,870,122.28x = 245,265,849.54 × 115,875,495.72
  4. Step 4: Simplify right side
    177,870,122.28x = 28,420,301,898,634,432
  5. Step 5: Solve for x
    x = 28,420,301,898,634,432/177,870,122.28
  6. Step 6: Final answer
    x = 159,781,201.78

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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.