Home / 99,695,999.40-149,543,999.10-39,113,701.80

Finding the Fourth Proportional to 99,695,999.40, 149,543,999.10 and 39,113,701.80

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Solution

The fourth proportional to 99,695,999.40, 149,543,999.10 and 39,113,701.80 is: 58,670,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,695,999.40 : 149,543,999.10 = 39,113,701.80 : x
  2. Step 2: Convert to fraction form
    99,695,999.40/149,543,999.10 = 39,113,701.80/x
  3. Step 3: Cross multiply
    99,695,999.40x = 149,543,999.10 × 39,113,701.80
  4. Step 4: Simplify right side
    99,695,999.40x = 5,849,219,386,776,868
  5. Step 5: Solve for x
    x = 5,849,219,386,776,868/99,695,999.40
  6. Step 6: Final answer
    x = 58,670,552.70

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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.