Home / 45,319,701.30-67,979,551.95-39,154,985.70

Finding the Fourth Proportional to 45,319,701.30, 67,979,551.95 and 39,154,985.70

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Solution

The fourth proportional to 45,319,701.30, 67,979,551.95 and 39,154,985.70 is: 58,732,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,319,701.30 : 67,979,551.95 = 39,154,985.70 : x
  2. Step 2: Convert to fraction form
    45,319,701.30/67,979,551.95 = 39,154,985.70/x
  3. Step 3: Cross multiply
    45,319,701.30x = 67,979,551.95 × 39,154,985.70
  4. Step 4: Simplify right side
    45,319,701.30x = 2,661,738,384,494,657.50
  5. Step 5: Solve for x
    x = 2,661,738,384,494,657.50/45,319,701.30
  6. Step 6: Final answer
    x = 58,732,478.55

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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.