Home / 56,938,646.15-85,390,305.10-20,542,305.11

Finding the Fourth Proportional to 56,938,646.15, 85,390,305.10 and 20,542,305.11

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Solution

The fourth proportional to 56,938,646.15, 85,390,305.10 and 20,542,305.11 is: 30,807,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938,646.15 : 85,390,305.10 = 20,542,305.11 : x
  2. Step 2: Convert to fraction form
    56,938,646.15/85,390,305.10 = 20,542,305.11/x
  3. Step 3: Cross multiply
    56,938,646.15x = 85,390,305.10 × 20,542,305.11
  4. Step 4: Simplify right side
    56,938,646.15x = 1,754,113,700,321,881.75
  5. Step 5: Solve for x
    x = 1,754,113,700,321,881.75/56,938,646.15
  6. Step 6: Final answer
    x = 30,807,084.80

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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.