Home / 99,488,435.60-149,232,653.40-70,578,045.20

Finding the Fourth Proportional to 99,488,435.60, 149,232,653.40 and 70,578,045.20

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Solution

The fourth proportional to 99,488,435.60, 149,232,653.40 and 70,578,045.20 is: 105,867,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,488,435.60 : 149,232,653.40 = 70,578,045.20 : x
  2. Step 2: Convert to fraction form
    99,488,435.60/149,232,653.40 = 70,578,045.20/x
  3. Step 3: Cross multiply
    99,488,435.60x = 149,232,653.40 × 70,578,045.20
  4. Step 4: Simplify right side
    99,488,435.60x = 10,532,548,956,981,134
  5. Step 5: Solve for x
    x = 10,532,548,956,981,134/99,488,435.60
  6. Step 6: Final answer
    x = 105,867,067.80

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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.