Home / 97,210,147.60-145,815,221.40-89,819,837.20

Finding the Fourth Proportional to 97,210,147.60, 145,815,221.40 and 89,819,837.20

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Solution

The fourth proportional to 97,210,147.60, 145,815,221.40 and 89,819,837.20 is: 134,729,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,210,147.60 : 145,815,221.40 = 89,819,837.20 : x
  2. Step 2: Convert to fraction form
    97,210,147.60/145,815,221.40 = 89,819,837.20/x
  3. Step 3: Cross multiply
    97,210,147.60x = 145,815,221.40 × 89,819,837.20
  4. Step 4: Simplify right side
    97,210,147.60x = 13,097,099,447,429,958
  5. Step 5: Solve for x
    x = 13,097,099,447,429,958/97,210,147.60
  6. Step 6: Final answer
    x = 134,729,755.80

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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.