Home / 87,027,947.40-130,542,946.41-34,518,423.38

Finding the Fourth Proportional to 87,027,947.40, 130,542,946.41 and 34,518,423.38

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Solution

The fourth proportional to 87,027,947.40, 130,542,946.41 and 34,518,423.38 is: 51,778,041.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,027,947.40 : 130,542,946.41 = 34,518,423.38 : x
  2. Step 2: Convert to fraction form
    87,027,947.40/130,542,946.41 = 34,518,423.38/x
  3. Step 3: Cross multiply
    87,027,947.40x = 130,542,946.41 × 34,518,423.38
  4. Step 4: Simplify right side
    87,027,947.40x = 4,506,136,692,929,760
  5. Step 5: Solve for x
    x = 4,506,136,692,929,760/87,027,947.40
  6. Step 6: Final answer
    x = 51,778,041.74

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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.