Home / 100,011,030.10-149,780,615.55-61,790,434.90

Finding the Fourth Proportional to 100,011,030.10, 149,780,615.55 and 61,790,434.90

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Solution

The fourth proportional to 100,011,030.10, 149,780,615.55 and 61,790,434.90 is: 92,539,886.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,011,030.10 : 149,780,615.55 = 61,790,434.90 : x
  2. Step 2: Convert to fraction form
    100,011,030.10/149,780,615.55 = 61,790,434.90/x
  3. Step 3: Cross multiply
    100,011,030.10x = 149,780,615.55 × 61,790,434.90
  4. Step 4: Simplify right side
    100,011,030.10x = 9,255,009,374,424,204
  5. Step 5: Solve for x
    x = 9,255,009,374,424,204/100,011,030.10
  6. Step 6: Final answer
    x = 92,539,886.50

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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.