Home / 282,278,414.95-423,272,238.85-126,698,848.46

Finding the Fourth Proportional to 282,278,414.95, 423,272,238.85 and 126,698,848.46

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Solution

The fourth proportional to 282,278,414.95, 423,272,238.85 and 126,698,848.46 is: 189,983,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,278,414.95 : 423,272,238.85 = 126,698,848.46 : x
  2. Step 2: Convert to fraction form
    282,278,414.95/423,272,238.85 = 126,698,848.46/x
  3. Step 3: Cross multiply
    282,278,414.95x = 423,272,238.85 × 126,698,848.46
  4. Step 4: Simplify right side
    282,278,414.95x = 53,628,105,247,010,352
  5. Step 5: Solve for x
    x = 53,628,105,247,010,352/282,278,414.95
  6. Step 6: Final answer
    x = 189,983,018.21

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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.