Home / 100,011,006.60-149,780,580.30-61,790,411.40

Finding the Fourth Proportional to 100,011,006.60, 149,780,580.30 and 61,790,411.40

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Solution

The fourth proportional to 100,011,006.60, 149,780,580.30 and 61,790,411.40 is: 92,539,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,011,006.60 : 149,780,580.30 = 61,790,411.40 : x
  2. Step 2: Convert to fraction form
    100,011,006.60/149,780,580.30 = 61,790,411.40/x
  3. Step 3: Cross multiply
    100,011,006.60x = 149,780,580.30 × 61,790,411.40
  4. Step 4: Simplify right side
    100,011,006.60x = 9,255,003,676,467,736
  5. Step 5: Solve for x
    x = 9,255,003,676,467,736/100,011,006.60
  6. Step 6: Final answer
    x = 92,539,851.27

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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.