Home / 126,609,024.83-189,909,994.29-40,352,607.59

Finding the Fourth Proportional to 126,609,024.83, 189,909,994.29 and 40,352,607.59

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Solution

The fourth proportional to 126,609,024.83, 189,909,994.29 and 40,352,607.59 is: 60,527,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,609,024.83 : 189,909,994.29 = 40,352,607.59 : x
  2. Step 2: Convert to fraction form
    126,609,024.83/189,909,994.29 = 40,352,607.59/x
  3. Step 3: Cross multiply
    126,609,024.83x = 189,909,994.29 × 40,352,607.59
  4. Step 4: Simplify right side
    126,609,024.83x = 7,663,363,476,053,961
  5. Step 5: Solve for x
    x = 7,663,363,476,053,961/126,609,024.83
  6. Step 6: Final answer
    x = 60,527,782.18

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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.