Home / 78,894,004.90-118,341,007.35-51,684,225.70

Finding the Fourth Proportional to 78,894,004.90, 118,341,007.35 and 51,684,225.70

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Solution

The fourth proportional to 78,894,004.90, 118,341,007.35 and 51,684,225.70 is: 77,526,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,894,004.90 : 118,341,007.35 = 51,684,225.70 : x
  2. Step 2: Convert to fraction form
    78,894,004.90/118,341,007.35 = 51,684,225.70/x
  3. Step 3: Cross multiply
    78,894,004.90x = 118,341,007.35 × 51,684,225.70
  4. Step 4: Simplify right side
    78,894,004.90x = 6,116,363,333,442,759
  5. Step 5: Solve for x
    x = 6,116,363,333,442,759/78,894,004.90
  6. Step 6: Final answer
    x = 77,526,338.55

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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.