Home / 78,894,006.40-118,341,009.60-51,684,227.20

Finding the Fourth Proportional to 78,894,006.40, 118,341,009.60 and 51,684,227.20

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Solution

The fourth proportional to 78,894,006.40, 118,341,009.60 and 51,684,227.20 is: 77,526,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,894,006.40 : 118,341,009.60 = 51,684,227.20 : x
  2. Step 2: Convert to fraction form
    78,894,006.40/118,341,009.60 = 51,684,227.20/x
  3. Step 3: Cross multiply
    78,894,006.40x = 118,341,009.60 × 51,684,227.20
  4. Step 4: Simplify right side
    78,894,006.40x = 6,116,363,627,243,781
  5. Step 5: Solve for x
    x = 6,116,363,627,243,781/78,894,006.40
  6. Step 6: Final answer
    x = 77,526,340.80

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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.