Home / 44,286,721.20-66,430,081.80-43,291,393.20

Finding the Fourth Proportional to 44,286,721.20, 66,430,081.80 and 43,291,393.20

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Solution

The fourth proportional to 44,286,721.20, 66,430,081.80 and 43,291,393.20 is: 64,937,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,286,721.20 : 66,430,081.80 = 43,291,393.20 : x
  2. Step 2: Convert to fraction form
    44,286,721.20/66,430,081.80 = 43,291,393.20/x
  3. Step 3: Cross multiply
    44,286,721.20x = 66,430,081.80 × 43,291,393.20
  4. Step 4: Simplify right side
    44,286,721.20x = 2,875,850,791,511,964
  5. Step 5: Solve for x
    x = 2,875,850,791,511,964/44,286,721.20
  6. Step 6: Final answer
    x = 64,937,089.80

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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.