Home / 43,112,307.60-64,668,461.40-40,561,390.80

Finding the Fourth Proportional to 43,112,307.60, 64,668,461.40 and 40,561,390.80

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Solution

The fourth proportional to 43,112,307.60, 64,668,461.40 and 40,561,390.80 is: 60,842,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,112,307.60 : 64,668,461.40 = 40,561,390.80 : x
  2. Step 2: Convert to fraction form
    43,112,307.60/64,668,461.40 = 40,561,390.80/x
  3. Step 3: Cross multiply
    43,112,307.60x = 64,668,461.40 × 40,561,390.80
  4. Step 4: Simplify right side
    43,112,307.60x = 2,623,042,735,280,115
  5. Step 5: Solve for x
    x = 2,623,042,735,280,115/43,112,307.60
  6. Step 6: Final answer
    x = 60,842,086.20

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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.