Home / 45,780,569.20-68,670,853.80-42,273,058.60

Finding the Fourth Proportional to 45,780,569.20, 68,670,853.80 and 42,273,058.60

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Solution

The fourth proportional to 45,780,569.20, 68,670,853.80 and 42,273,058.60 is: 63,409,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,780,569.20 : 68,670,853.80 = 42,273,058.60 : x
  2. Step 2: Convert to fraction form
    45,780,569.20/68,670,853.80 = 42,273,058.60/x
  3. Step 3: Cross multiply
    45,780,569.20x = 68,670,853.80 × 42,273,058.60
  4. Step 4: Simplify right side
    45,780,569.20x = 2,902,927,026,799,432.50
  5. Step 5: Solve for x
    x = 2,902,927,026,799,432.50/45,780,569.20
  6. Step 6: Final answer
    x = 63,409,587.90

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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.