Home / 83,001,041.40-124,501,562.10-81,867,300.60

Finding the Fourth Proportional to 83,001,041.40, 124,501,562.10 and 81,867,300.60

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Solution

The fourth proportional to 83,001,041.40, 124,501,562.10 and 81,867,300.60 is: 122,800,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,001,041.40 : 124,501,562.10 = 81,867,300.60 : x
  2. Step 2: Convert to fraction form
    83,001,041.40/124,501,562.10 = 81,867,300.60/x
  3. Step 3: Cross multiply
    83,001,041.40x = 124,501,562.10 × 81,867,300.60
  4. Step 4: Simplify right side
    83,001,041.40x = 10,192,606,809,610,266
  5. Step 5: Solve for x
    x = 10,192,606,809,610,266/83,001,041.40
  6. Step 6: Final answer
    x = 122,800,950.90

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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.