Home / 115,892,435.54-159,931,036.89-63,681,319.46

Finding the Fourth Proportional to 115,892,435.54, 159,931,036.89 and 63,681,319.46

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Solution

The fourth proportional to 115,892,435.54, 159,931,036.89 and 63,681,319.46 is: 87,879,932.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,892,435.54 : 159,931,036.89 = 63,681,319.46 : x
  2. Step 2: Convert to fraction form
    115,892,435.54/159,931,036.89 = 63,681,319.46/x
  3. Step 3: Cross multiply
    115,892,435.54x = 159,931,036.89 × 63,681,319.46
  4. Step 4: Simplify right side
    115,892,435.54x = 10,184,619,451,761,134
  5. Step 5: Solve for x
    x = 10,184,619,451,761,134/115,892,435.54
  6. Step 6: Final answer
    x = 87,879,932.84

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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.