Home / 124,765,655.80-172,165,050.42-69,009,876.28

Finding the Fourth Proportional to 124,765,655.80, 172,165,050.42 and 69,009,876.28

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Solution

The fourth proportional to 124,765,655.80, 172,165,050.42 and 69,009,876.28 is: 95,227,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,765,655.80 : 172,165,050.42 = 69,009,876.28 : x
  2. Step 2: Convert to fraction form
    124,765,655.80/172,165,050.42 = 69,009,876.28/x
  3. Step 3: Cross multiply
    124,765,655.80x = 172,165,050.42 × 69,009,876.28
  4. Step 4: Simplify right side
    124,765,655.80x = 11,881,088,829,224,162
  5. Step 5: Solve for x
    x = 11,881,088,829,224,162/124,765,655.80
  6. Step 6: Final answer
    x = 95,227,238.24

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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.