Home / 172,742,014.80-258,947,134.20-99,884,005.20

Finding the Fourth Proportional to 172,742,014.80, 258,947,134.20 and 99,884,005.20

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Solution

The fourth proportional to 172,742,014.80, 258,947,134.20 and 99,884,005.20 is: 149,730,086.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,742,014.80 : 258,947,134.20 = 99,884,005.20 : x
  2. Step 2: Convert to fraction form
    172,742,014.80/258,947,134.20 = 99,884,005.20/x
  3. Step 3: Cross multiply
    172,742,014.80x = 258,947,134.20 × 99,884,005.20
  4. Step 4: Simplify right side
    172,742,014.80x = 25,864,676,898,957,896
  5. Step 5: Solve for x
    x = 25,864,676,898,957,896/172,742,014.80
  6. Step 6: Final answer
    x = 149,730,086.97

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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.