Home / 98,346,078.60-147,519,117.90-47,327,742.60

Finding the Fourth Proportional to 98,346,078.60, 147,519,117.90 and 47,327,742.60

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Solution

The fourth proportional to 98,346,078.60, 147,519,117.90 and 47,327,742.60 is: 70,991,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,346,078.60 : 147,519,117.90 = 47,327,742.60 : x
  2. Step 2: Convert to fraction form
    98,346,078.60/147,519,117.90 = 47,327,742.60/x
  3. Step 3: Cross multiply
    98,346,078.60x = 147,519,117.90 × 47,327,742.60
  4. Step 4: Simplify right side
    98,346,078.60x = 6,981,746,840,550,253
  5. Step 5: Solve for x
    x = 6,981,746,840,550,253/98,346,078.60
  6. Step 6: Final answer
    x = 70,991,613.90

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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.