Home / 83,001,024.40-124,501,536.60-81,867,283.60

Finding the Fourth Proportional to 83,001,024.40, 124,501,536.60 and 81,867,283.60

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Solution

The fourth proportional to 83,001,024.40, 124,501,536.60 and 81,867,283.60 is: 122,800,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,001,024.40 : 124,501,536.60 = 81,867,283.60 : x
  2. Step 2: Convert to fraction form
    83,001,024.40/124,501,536.60 = 81,867,283.60/x
  3. Step 3: Cross multiply
    83,001,024.40x = 124,501,536.60 × 81,867,283.60
  4. Step 4: Simplify right side
    83,001,024.40x = 10,192,602,605,467,978
  5. Step 5: Solve for x
    x = 10,192,602,605,467,978/83,001,024.40
  6. Step 6: Final answer
    x = 122,800,925.40

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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.