Home / 123,894,267.60-185,841,401.40-103,738,875.60

Finding the Fourth Proportional to 123,894,267.60, 185,841,401.40 and 103,738,875.60

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Solution

The fourth proportional to 123,894,267.60, 185,841,401.40 and 103,738,875.60 is: 155,608,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,894,267.60 : 185,841,401.40 = 103,738,875.60 : x
  2. Step 2: Convert to fraction form
    123,894,267.60/185,841,401.40 = 103,738,875.60/x
  3. Step 3: Cross multiply
    123,894,267.60x = 185,841,401.40 × 103,738,875.60
  4. Step 4: Simplify right side
    123,894,267.60x = 19,278,978,021,164,264
  5. Step 5: Solve for x
    x = 19,278,978,021,164,264/123,894,267.60
  6. Step 6: Final answer
    x = 155,608,313.40

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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.