Home / 100,011,016.60-149,780,595.30-61,790,421.40

Finding the Fourth Proportional to 100,011,016.60, 149,780,595.30 and 61,790,421.40

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Solution

The fourth proportional to 100,011,016.60, 149,780,595.30 and 61,790,421.40 is: 92,539,866.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,011,016.60 : 149,780,595.30 = 61,790,421.40 : x
  2. Step 2: Convert to fraction form
    100,011,016.60/149,780,595.30 = 61,790,421.40/x
  3. Step 3: Cross multiply
    100,011,016.60x = 149,780,595.30 × 61,790,421.40
  4. Step 4: Simplify right side
    100,011,016.60x = 9,255,006,101,129,860
  5. Step 5: Solve for x
    x = 9,255,006,101,129,860/100,011,016.60
  6. Step 6: Final answer
    x = 92,539,866.26

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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.