Home / 161,367,507.40-240,792,688.73-143,976,157.78

Finding the Fourth Proportional to 161,367,507.40, 240,792,688.73 and 143,976,157.78

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Solution

The fourth proportional to 161,367,507.40, 240,792,688.73 and 143,976,157.78 is: 214,841,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,367,507.40 : 240,792,688.73 = 143,976,157.78 : x
  2. Step 2: Convert to fraction form
    161,367,507.40/240,792,688.73 = 143,976,157.78/x
  3. Step 3: Cross multiply
    161,367,507.40x = 240,792,688.73 × 143,976,157.78
  4. Step 4: Simplify right side
    161,367,507.40x = 34,668,406,144,860,908
  5. Step 5: Solve for x
    x = 34,668,406,144,860,908/161,367,507.40
  6. Step 6: Final answer
    x = 214,841,306.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.