Home / 124,013,308.67-171,127,242.44-71,805,867.96

Finding the Fourth Proportional to 124,013,308.67, 171,127,242.44 and 71,805,867.96

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Solution

The fourth proportional to 124,013,308.67, 171,127,242.44 and 71,805,867.96 is: 99,085,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,013,308.67 : 171,127,242.44 = 71,805,867.96 : x
  2. Step 2: Convert to fraction form
    124,013,308.67/171,127,242.44 = 71,805,867.96/x
  3. Step 3: Cross multiply
    124,013,308.67x = 171,127,242.44 × 71,805,867.96
  4. Step 4: Simplify right side
    124,013,308.67x = 12,287,940,174,646,518
  5. Step 5: Solve for x
    x = 12,287,940,174,646,518/124,013,308.67
  6. Step 6: Final answer
    x = 99,085,657.07

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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.