Home / 105,762,939.04-145,851,424.68-68,047,609.24

Finding the Fourth Proportional to 105,762,939.04, 145,851,424.68 and 68,047,609.24

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Solution

The fourth proportional to 105,762,939.04, 145,851,424.68 and 68,047,609.24 is: 93,840,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,762,939.04 : 145,851,424.68 = 68,047,609.24 : x
  2. Step 2: Convert to fraction form
    105,762,939.04/145,851,424.68 = 68,047,609.24/x
  3. Step 3: Cross multiply
    105,762,939.04x = 145,851,424.68 × 68,047,609.24
  4. Step 4: Simplify right side
    105,762,939.04x = 9,924,840,753,721,932
  5. Step 5: Solve for x
    x = 9,924,840,753,721,932/105,762,939.04
  6. Step 6: Final answer
    x = 93,840,440.18

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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.