Home / 99,634,220.80-149,472,326.40-42,096,875.20

Finding the Fourth Proportional to 99,634,220.80, 149,472,326.40 and 42,096,875.20

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Solution

The fourth proportional to 99,634,220.80, 149,472,326.40 and 42,096,875.20 is: 63,154,183.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,634,220.80 : 149,472,326.40 = 42,096,875.20 : x
  2. Step 2: Convert to fraction form
    99,634,220.80/149,472,326.40 = 42,096,875.20/x
  3. Step 3: Cross multiply
    99,634,220.80x = 149,472,326.40 × 42,096,875.20
  4. Step 4: Simplify right side
    99,634,220.80x = 6,292,317,870,314,466
  5. Step 5: Solve for x
    x = 6,292,317,870,314,466/99,634,220.80
  6. Step 6: Final answer
    x = 63,154,183.57

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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.