Home / 179,287,440.95-247,414,153.52-99,905,848.21

Finding the Fourth Proportional to 179,287,440.95, 247,414,153.52 and 99,905,848.21

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Solution

The fourth proportional to 179,287,440.95, 247,414,153.52 and 99,905,848.21 is: 137,868,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,287,440.95 : 247,414,153.52 = 99,905,848.21 : x
  2. Step 2: Convert to fraction form
    179,287,440.95/247,414,153.52 = 99,905,848.21/x
  3. Step 3: Cross multiply
    179,287,440.95x = 247,414,153.52 × 99,905,848.21
  4. Step 4: Simplify right side
    179,287,440.95x = 24,718,120,866,438,560
  5. Step 5: Solve for x
    x = 24,718,120,866,438,560/179,287,440.95
  6. Step 6: Final answer
    x = 137,868,669.08

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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.