Home / 124,620,999.30-186,931,498.95-70,873,287.30

Finding the Fourth Proportional to 124,620,999.30, 186,931,498.95 and 70,873,287.30

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Solution

The fourth proportional to 124,620,999.30, 186,931,498.95 and 70,873,287.30 is: 106,309,930.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,620,999.30 : 186,931,498.95 = 70,873,287.30 : x
  2. Step 2: Convert to fraction form
    124,620,999.30/186,931,498.95 = 70,873,287.30/x
  3. Step 3: Cross multiply
    124,620,999.30x = 186,931,498.95 × 70,873,287.30
  4. Step 4: Simplify right side
    124,620,999.30x = 13,248,449,830,502,996
  5. Step 5: Solve for x
    x = 13,248,449,830,502,996/124,620,999.30
  6. Step 6: Final answer
    x = 106,309,930.95

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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.