Home / 83,030,978.90-124,558,354.32-25,528,077.74

Finding the Fourth Proportional to 83,030,978.90, 124,558,354.32 and 25,528,077.74

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Solution

The fourth proportional to 83,030,978.90, 124,558,354.32 and 25,528,077.74 is: 38,295,770.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,030,978.90 : 124,558,354.32 = 25,528,077.74 : x
  2. Step 2: Convert to fraction form
    83,030,978.90/124,558,354.32 = 25,528,077.74/x
  3. Step 3: Cross multiply
    83,030,978.90x = 124,558,354.32 × 25,528,077.74
  4. Step 4: Simplify right side
    83,030,978.90x = 3,179,735,352,247,424.50
  5. Step 5: Solve for x
    x = 3,179,735,352,247,424.50/83,030,978.90
  6. Step 6: Final answer
    x = 38,295,770.98

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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.