Home / 115,892,435.04-159,931,036.20-63,681,318.96

Finding the Fourth Proportional to 115,892,435.04, 159,931,036.20 and 63,681,318.96

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Solution

The fourth proportional to 115,892,435.04, 159,931,036.20 and 63,681,318.96 is: 87,879,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,892,435.04 : 159,931,036.20 = 63,681,318.96 : x
  2. Step 2: Convert to fraction form
    115,892,435.04/159,931,036.20 = 63,681,318.96/x
  3. Step 3: Cross multiply
    115,892,435.04x = 159,931,036.20 × 63,681,318.96
  4. Step 4: Simplify right side
    115,892,435.04x = 10,184,619,327,855,506
  5. Step 5: Solve for x
    x = 10,184,619,327,855,506/115,892,435.04
  6. Step 6: Final answer
    x = 87,879,932.15

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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.