Home / 56,657,621.80-84,986,432.70-39,438,933.40

Finding the Fourth Proportional to 56,657,621.80, 84,986,432.70 and 39,438,933.40

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Solution

The fourth proportional to 56,657,621.80, 84,986,432.70 and 39,438,933.40 is: 59,158,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,657,621.80 : 84,986,432.70 = 39,438,933.40 : x
  2. Step 2: Convert to fraction form
    56,657,621.80/84,986,432.70 = 39,438,933.40/x
  3. Step 3: Cross multiply
    56,657,621.80x = 84,986,432.70 × 39,438,933.40
  4. Step 4: Simplify right side
    56,657,621.80x = 3,351,774,259,158,882
  5. Step 5: Solve for x
    x = 3,351,774,259,158,882/56,657,621.80
  6. Step 6: Final answer
    x = 59,158,400.10

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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.