Home / 48,604,983.60-72,907,475.40-42,936,279.60

Finding the Fourth Proportional to 48,604,983.60, 72,907,475.40 and 42,936,279.60

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Solution

The fourth proportional to 48,604,983.60, 72,907,475.40 and 42,936,279.60 is: 64,404,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,604,983.60 : 72,907,475.40 = 42,936,279.60 : x
  2. Step 2: Convert to fraction form
    48,604,983.60/72,907,475.40 = 42,936,279.60/x
  3. Step 3: Cross multiply
    48,604,983.60x = 72,907,475.40 × 42,936,279.60
  4. Step 4: Simplify right side
    48,604,983.60x = 3,130,375,748,704,522
  5. Step 5: Solve for x
    x = 3,130,375,748,704,522/48,604,983.60
  6. Step 6: Final answer
    x = 64,404,419.40

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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.