Home / 57,215,347.03-78,956,630.04-31,109,870.24

Finding the Fourth Proportional to 57,215,347.03, 78,956,630.04 and 31,109,870.24

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Solution

The fourth proportional to 57,215,347.03, 78,956,630.04 and 31,109,870.24 is: 42,931,322.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,215,347.03 : 78,956,630.04 = 31,109,870.24 : x
  2. Step 2: Convert to fraction form
    57,215,347.03/78,956,630.04 = 31,109,870.24/x
  3. Step 3: Cross multiply
    57,215,347.03x = 78,956,630.04 × 31,109,870.24
  4. Step 4: Simplify right side
    57,215,347.03x = 2,456,330,515,132,086
  5. Step 5: Solve for x
    x = 2,456,330,515,132,086/57,215,347.03
  6. Step 6: Final answer
    x = 42,931,322.50

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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.