Home / 60,418,865.60-90,628,298.40-20,029,349.60

Finding the Fourth Proportional to 60,418,865.60, 90,628,298.40 and 20,029,349.60

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Solution

The fourth proportional to 60,418,865.60, 90,628,298.40 and 20,029,349.60 is: 30,044,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,418,865.60 : 90,628,298.40 = 20,029,349.60 : x
  2. Step 2: Convert to fraction form
    60,418,865.60/90,628,298.40 = 20,029,349.60/x
  3. Step 3: Cross multiply
    60,418,865.60x = 90,628,298.40 × 20,029,349.60
  4. Step 4: Simplify right side
    60,418,865.60x = 1,815,225,872,306,721
  5. Step 5: Solve for x
    x = 1,815,225,872,306,721/60,418,865.60
  6. Step 6: Final answer
    x = 30,044,024.40

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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.