Home / 59,931,417.20-89,939,116.20-38,418,335.60

Finding the Fourth Proportional to 59,931,417.20, 89,939,116.20 and 38,418,335.60

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Solution

The fourth proportional to 59,931,417.20, 89,939,116.20 and 38,418,335.60 is: 57,654,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,931,417.20 : 89,939,116.20 = 38,418,335.60 : x
  2. Step 2: Convert to fraction form
    59,931,417.20/89,939,116.20 = 38,418,335.60/x
  3. Step 3: Cross multiply
    59,931,417.20x = 89,939,116.20 × 38,418,335.60
  4. Step 4: Simplify right side
    59,931,417.20x = 3,455,311,149,738,997
  5. Step 5: Solve for x
    x = 3,455,311,149,738,997/59,931,417.20
  6. Step 6: Final answer
    x = 57,654,420.86

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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.