Home / 159,503,252.04-220,109,045.76-87,978,967.92

Finding the Fourth Proportional to 159,503,252.04, 220,109,045.76 and 87,978,967.92

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Solution

The fourth proportional to 159,503,252.04, 220,109,045.76 and 87,978,967.92 is: 121,407,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,503,252.04 : 220,109,045.76 = 87,978,967.92 : x
  2. Step 2: Convert to fraction form
    159,503,252.04/220,109,045.76 = 87,978,967.92/x
  3. Step 3: Cross multiply
    159,503,252.04x = 220,109,045.76 × 87,978,967.92
  4. Step 4: Simplify right side
    159,503,252.04x = 19,364,966,675,820,852
  5. Step 5: Solve for x
    x = 19,364,966,675,820,852/159,503,252.04
  6. Step 6: Final answer
    x = 121,407,974.00

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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.