Home / 54,458,205.60-81,687,308.40-42,128,774.40

Finding the Fourth Proportional to 54,458,205.60, 81,687,308.40 and 42,128,774.40

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Solution

The fourth proportional to 54,458,205.60, 81,687,308.40 and 42,128,774.40 is: 63,193,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,458,205.60 : 81,687,308.40 = 42,128,774.40 : x
  2. Step 2: Convert to fraction form
    54,458,205.60/81,687,308.40 = 42,128,774.40/x
  3. Step 3: Cross multiply
    54,458,205.60x = 81,687,308.40 × 42,128,774.40
  4. Step 4: Simplify right side
    54,458,205.60x = 3,441,386,186,926,825
  5. Step 5: Solve for x
    x = 3,441,386,186,926,825/54,458,205.60
  6. Step 6: Final answer
    x = 63,193,161.60

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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.