Home / 67,937,587.32-101,903,534.46-21,878,436.90

Finding the Fourth Proportional to 67,937,587.32, 101,903,534.46 and 21,878,436.90

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Solution

The fourth proportional to 67,937,587.32, 101,903,534.46 and 21,878,436.90 is: 32,816,738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,937,587.32 : 101,903,534.46 = 21,878,436.90 : x
  2. Step 2: Convert to fraction form
    67,937,587.32/101,903,534.46 = 21,878,436.90/x
  3. Step 3: Cross multiply
    67,937,587.32x = 101,903,534.46 × 21,878,436.90
  4. Step 4: Simplify right side
    67,937,587.32x = 2,229,490,048,570,085.25
  5. Step 5: Solve for x
    x = 2,229,490,048,570,085.25/67,937,587.32
  6. Step 6: Final answer
    x = 32,816,738.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.