Home / 98,346,085.60-147,519,128.40-47,327,749.60

Finding the Fourth Proportional to 98,346,085.60, 147,519,128.40 and 47,327,749.60

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Solution

The fourth proportional to 98,346,085.60, 147,519,128.40 and 47,327,749.60 is: 70,991,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,346,085.60 : 147,519,128.40 = 47,327,749.60 : x
  2. Step 2: Convert to fraction form
    98,346,085.60/147,519,128.40 = 47,327,749.60/x
  3. Step 3: Cross multiply
    98,346,085.60x = 147,519,128.40 × 47,327,749.60
  4. Step 4: Simplify right side
    98,346,085.60x = 6,981,748,370,125,449
  5. Step 5: Solve for x
    x = 6,981,748,370,125,449/98,346,085.60
  6. Step 6: Final answer
    x = 70,991,624.40

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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.