Home / 77,760,043.20-116,640,064.80-52,061,918.40

Finding the Fourth Proportional to 77,760,043.20, 116,640,064.80 and 52,061,918.40

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Solution

The fourth proportional to 77,760,043.20, 116,640,064.80 and 52,061,918.40 is: 78,092,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,760,043.20 : 116,640,064.80 = 52,061,918.40 : x
  2. Step 2: Convert to fraction form
    77,760,043.20/116,640,064.80 = 52,061,918.40/x
  3. Step 3: Cross multiply
    77,760,043.20x = 116,640,064.80 × 52,061,918.40
  4. Step 4: Simplify right side
    77,760,043.20x = 6,072,505,535,788,312
  5. Step 5: Solve for x
    x = 6,072,505,535,788,312/77,760,043.20
  6. Step 6: Final answer
    x = 78,092,877.60

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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.