Home / 99,279,039.60-148,918,559.40-48,260,703.60

Finding the Fourth Proportional to 99,279,039.60, 148,918,559.40 and 48,260,703.60

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Solution

The fourth proportional to 99,279,039.60, 148,918,559.40 and 48,260,703.60 is: 72,391,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,279,039.60 : 148,918,559.40 = 48,260,703.60 : x
  2. Step 2: Convert to fraction form
    99,279,039.60/148,918,559.40 = 48,260,703.60/x
  3. Step 3: Cross multiply
    99,279,039.60x = 148,918,559.40 × 48,260,703.60
  4. Step 4: Simplify right side
    99,279,039.60x = 7,186,914,455,742,394
  5. Step 5: Solve for x
    x = 7,186,914,455,742,394/99,279,039.60
  6. Step 6: Final answer
    x = 72,391,055.40

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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.