Home / 243,281,632.38-335,459,542.95-155,035,748.22

Finding the Fourth Proportional to 243,281,632.38, 335,459,542.95 and 155,035,748.22

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Solution

The fourth proportional to 243,281,632.38, 335,459,542.95 and 155,035,748.22 is: 213,777,837.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,281,632.38 : 335,459,542.95 = 155,035,748.22 : x
  2. Step 2: Convert to fraction form
    243,281,632.38/335,459,542.95 = 155,035,748.22/x
  3. Step 3: Cross multiply
    243,281,632.38x = 335,459,542.95 × 155,035,748.22
  4. Step 4: Simplify right side
    243,281,632.38x = 52,008,221,238,792,472
  5. Step 5: Solve for x
    x = 52,008,221,238,792,472/243,281,632.38
  6. Step 6: Final answer
    x = 213,777,837.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.