Home / 78,734,655.40-118,101,983.10-44,722,431.40

Finding the Fourth Proportional to 78,734,655.40, 118,101,983.10 and 44,722,431.40

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Solution

The fourth proportional to 78,734,655.40, 118,101,983.10 and 44,722,431.40 is: 67,083,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,734,655.40 : 118,101,983.10 = 44,722,431.40 : x
  2. Step 2: Convert to fraction form
    78,734,655.40/118,101,983.10 = 44,722,431.40/x
  3. Step 3: Cross multiply
    78,734,655.40x = 118,101,983.10 × 44,722,431.40
  4. Step 4: Simplify right side
    78,734,655.40x = 5,281,807,837,393,709
  5. Step 5: Solve for x
    x = 5,281,807,837,393,709/78,734,655.40
  6. Step 6: Final answer
    x = 67,083,647.10

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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.