Home / 153,459,488-230,189,379.42-42,790,737.80

Finding the Fourth Proportional to 153,459,488, 230,189,379.42 and 42,790,737.80

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Solution

The fourth proportional to 153,459,488, 230,189,379.42 and 42,790,737.80 is: 64,186,147.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,459,488 : 230,189,379.42 = 42,790,737.80 : x
  2. Step 2: Convert to fraction form
    153,459,488/230,189,379.42 = 42,790,737.80/x
  3. Step 3: Cross multiply
    153,459,488x = 230,189,379.42 × 42,790,737.80
  4. Step 4: Simplify right side
    153,459,488x = 9,849,973,379,105,934
  5. Step 5: Solve for x
    x = 9,849,973,379,105,934/153,459,488
  6. Step 6: Final answer
    x = 64,186,147.81

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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.