Home / 126,609,024.74-189,909,994.16-40,352,607.50

Finding the Fourth Proportional to 126,609,024.74, 189,909,994.16 and 40,352,607.50

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Solution

The fourth proportional to 126,609,024.74, 189,909,994.16 and 40,352,607.50 is: 60,527,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,609,024.74 : 189,909,994.16 = 40,352,607.50 : x
  2. Step 2: Convert to fraction form
    126,609,024.74/189,909,994.16 = 40,352,607.50/x
  3. Step 3: Cross multiply
    126,609,024.74x = 189,909,994.16 × 40,352,607.50
  4. Step 4: Simplify right side
    126,609,024.74x = 7,663,363,453,514,459
  5. Step 5: Solve for x
    x = 7,663,363,453,514,459/126,609,024.74
  6. Step 6: Final answer
    x = 60,527,782.04

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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.