Home / 98,051,799.60-146,812,278.60-76,818,135.60

Finding the Fourth Proportional to 98,051,799.60, 146,812,278.60 and 76,818,135.60

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Solution

The fourth proportional to 98,051,799.60, 146,812,278.60 and 76,818,135.60 is: 115,019,260.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,051,799.60 : 146,812,278.60 = 76,818,135.60 : x
  2. Step 2: Convert to fraction form
    98,051,799.60/146,812,278.60 = 76,818,135.60/x
  3. Step 3: Cross multiply
    98,051,799.60x = 146,812,278.60 × 76,818,135.60
  4. Step 4: Simplify right side
    98,051,799.60x = 11,277,845,525,239,776
  5. Step 5: Solve for x
    x = 11,277,845,525,239,776/98,051,799.60
  6. Step 6: Final answer
    x = 115,019,260.95

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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.