Home / 100,011,029.60-149,780,614.80-61,790,434.40

Finding the Fourth Proportional to 100,011,029.60, 149,780,614.80 and 61,790,434.40

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Solution

The fourth proportional to 100,011,029.60, 149,780,614.80 and 61,790,434.40 is: 92,539,885.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,011,029.60 : 149,780,614.80 = 61,790,434.40 : x
  2. Step 2: Convert to fraction form
    100,011,029.60/149,780,614.80 = 61,790,434.40/x
  3. Step 3: Cross multiply
    100,011,029.60x = 149,780,614.80 × 61,790,434.40
  4. Step 4: Simplify right side
    100,011,029.60x = 9,255,009,253,191,070
  5. Step 5: Solve for x
    x = 9,255,009,253,191,070/100,011,029.60
  6. Step 6: Final answer
    x = 92,539,885.75

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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.