Home / 78,989,528.35-118,495,626.64-24,406,879.89

Finding the Fourth Proportional to 78,989,528.35, 118,495,626.64 and 24,406,879.89

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Solution

The fourth proportional to 78,989,528.35, 118,495,626.64 and 24,406,879.89 is: 36,613,821.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,989,528.35 : 118,495,626.64 = 24,406,879.89 : x
  2. Step 2: Convert to fraction form
    78,989,528.35/118,495,626.64 = 24,406,879.89/x
  3. Step 3: Cross multiply
    78,989,528.35x = 118,495,626.64 × 24,406,879.89
  4. Step 4: Simplify right side
    78,989,528.35x = 2,892,108,526,831,747
  5. Step 5: Solve for x
    x = 2,892,108,526,831,747/78,989,528.35
  6. Step 6: Final answer
    x = 36,613,821.95

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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.