Home / 78,889,601.60-118,253,920.80-53,333,194.40

Finding the Fourth Proportional to 78,889,601.60, 118,253,920.80 and 53,333,194.40

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Solution

The fourth proportional to 78,889,601.60, 118,253,920.80 and 53,333,194.40 is: 79,945,382.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,889,601.60 : 118,253,920.80 = 53,333,194.40 : x
  2. Step 2: Convert to fraction form
    78,889,601.60/118,253,920.80 = 53,333,194.40/x
  3. Step 3: Cross multiply
    78,889,601.60x = 118,253,920.80 × 53,333,194.40
  4. Step 4: Simplify right side
    78,889,601.60x = 6,306,859,346,588,603
  5. Step 5: Solve for x
    x = 6,306,859,346,588,603/78,889,601.60
  6. Step 6: Final answer
    x = 79,945,382.14

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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.