Home / 78,734,603.40-118,101,905.10-44,722,379.40

Finding the Fourth Proportional to 78,734,603.40, 118,101,905.10 and 44,722,379.40

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Solution

The fourth proportional to 78,734,603.40, 118,101,905.10 and 44,722,379.40 is: 67,083,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,734,603.40 : 118,101,905.10 = 44,722,379.40 : x
  2. Step 2: Convert to fraction form
    78,734,603.40/118,101,905.10 = 44,722,379.40/x
  3. Step 3: Cross multiply
    78,734,603.40x = 118,101,905.10 × 44,722,379.40
  4. Step 4: Simplify right side
    78,734,603.40x = 5,281,798,207,744,994
  5. Step 5: Solve for x
    x = 5,281,798,207,744,994/78,734,603.40
  6. Step 6: Final answer
    x = 67,083,569.10

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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.