Home / 97,210,297.60-145,815,446.40-89,819,987.20

Finding the Fourth Proportional to 97,210,297.60, 145,815,446.40 and 89,819,987.20

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Solution

The fourth proportional to 97,210,297.60, 145,815,446.40 and 89,819,987.20 is: 134,729,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,210,297.60 : 145,815,446.40 = 89,819,987.20 : x
  2. Step 2: Convert to fraction form
    97,210,297.60/145,815,446.40 = 89,819,987.20/x
  3. Step 3: Cross multiply
    97,210,297.60x = 145,815,446.40 × 89,819,987.20
  4. Step 4: Simplify right side
    97,210,297.60x = 13,097,141,529,210,288
  5. Step 5: Solve for x
    x = 13,097,141,529,210,288/97,210,297.60
  6. Step 6: Final answer
    x = 134,729,980.80

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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.