Home / 187,272,023.10-280,908,034.65-126,050,019.90

Finding the Fourth Proportional to 187,272,023.10, 280,908,034.65 and 126,050,019.90

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Solution

The fourth proportional to 187,272,023.10, 280,908,034.65 and 126,050,019.90 is: 189,075,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,272,023.10 : 280,908,034.65 = 126,050,019.90 : x
  2. Step 2: Convert to fraction form
    187,272,023.10/280,908,034.65 = 126,050,019.90/x
  3. Step 3: Cross multiply
    187,272,023.10x = 280,908,034.65 × 126,050,019.90
  4. Step 4: Simplify right side
    187,272,023.10x = 35,408,463,357,702,388
  5. Step 5: Solve for x
    x = 35,408,463,357,702,388/187,272,023.10
  6. Step 6: Final answer
    x = 189,075,029.85

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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.