Home / 74,845,672.20-112,352,489.10-57,881,550.60

Finding the Fourth Proportional to 74,845,672.20, 112,352,489.10 and 57,881,550.60

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Solution

The fourth proportional to 74,845,672.20, 112,352,489.10 and 57,881,550.60 is: 86,887,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,845,672.20 : 112,352,489.10 = 57,881,550.60 : x
  2. Step 2: Convert to fraction form
    74,845,672.20/112,352,489.10 = 57,881,550.60/x
  3. Step 3: Cross multiply
    74,845,672.20x = 112,352,489.10 × 57,881,550.60
  4. Step 4: Simplify right side
    74,845,672.20x = 6,503,136,282,877,598
  5. Step 5: Solve for x
    x = 6,503,136,282,877,598/74,845,672.20
  6. Step 6: Final answer
    x = 86,887,272.06

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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.