Home / 105,615,497.40-158,423,246.10-69,335,791.80

Finding the Fourth Proportional to 105,615,497.40, 158,423,246.10 and 69,335,791.80

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Solution

The fourth proportional to 105,615,497.40, 158,423,246.10 and 69,335,791.80 is: 104,003,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,615,497.40 : 158,423,246.10 = 69,335,791.80 : x
  2. Step 2: Convert to fraction form
    105,615,497.40/158,423,246.10 = 69,335,791.80/x
  3. Step 3: Cross multiply
    105,615,497.40x = 158,423,246.10 × 69,335,791.80
  4. Step 4: Simplify right side
    105,615,497.40x = 10,984,401,207,869,762
  5. Step 5: Solve for x
    x = 10,984,401,207,869,762/105,615,497.40
  6. Step 6: Final answer
    x = 104,003,687.70

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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.