Home / 78,004,016.90-117,006,025.35-58,730,423.30

Finding the Fourth Proportional to 78,004,016.90, 117,006,025.35 and 58,730,423.30

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Solution

The fourth proportional to 78,004,016.90, 117,006,025.35 and 58,730,423.30 is: 88,095,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,004,016.90 : 117,006,025.35 = 58,730,423.30 : x
  2. Step 2: Convert to fraction form
    78,004,016.90/117,006,025.35 = 58,730,423.30/x
  3. Step 3: Cross multiply
    78,004,016.90x = 117,006,025.35 × 58,730,423.30
  4. Step 4: Simplify right side
    78,004,016.90x = 6,871,813,397,456,030
  5. Step 5: Solve for x
    x = 6,871,813,397,456,030/78,004,016.90
  6. Step 6: Final answer
    x = 88,095,634.95

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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.