Home / 99,696,039.90-149,544,059.85-39,113,742.30

Finding the Fourth Proportional to 99,696,039.90, 149,544,059.85 and 39,113,742.30

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Solution

The fourth proportional to 99,696,039.90, 149,544,059.85 and 39,113,742.30 is: 58,670,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696,039.90 : 149,544,059.85 = 39,113,742.30 : x
  2. Step 2: Convert to fraction form
    99,696,039.90/149,544,059.85 = 39,113,742.30/x
  3. Step 3: Cross multiply
    99,696,039.90x = 149,544,059.85 × 39,113,742.30
  4. Step 4: Simplify right side
    99,696,039.90x = 5,849,227,819,468,676
  5. Step 5: Solve for x
    x = 5,849,227,819,468,676/99,696,039.90
  6. Step 6: Final answer
    x = 58,670,613.45

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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.