Home / 107,726,911.20-148,664,088.72-61,320,153.60

Finding the Fourth Proportional to 107,726,911.20, 148,664,088.72 and 61,320,153.60

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Solution

The fourth proportional to 107,726,911.20, 148,664,088.72 and 61,320,153.60 is: 84,622,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,726,911.20 : 148,664,088.72 = 61,320,153.60 : x
  2. Step 2: Convert to fraction form
    107,726,911.20/148,664,088.72 = 61,320,153.60/x
  3. Step 3: Cross multiply
    107,726,911.20x = 148,664,088.72 × 61,320,153.60
  4. Step 4: Simplify right side
    107,726,911.20x = 9,116,104,755,114,428
  5. Step 5: Solve for x
    x = 9,116,104,755,114,428/107,726,911.20
  6. Step 6: Final answer
    x = 84,622,353.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.