Home / 105,762,943.54-145,851,430.89-68,047,613.74

Finding the Fourth Proportional to 105,762,943.54, 145,851,430.89 and 68,047,613.74

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Solution

The fourth proportional to 105,762,943.54, 145,851,430.89 and 68,047,613.74 is: 93,840,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,762,943.54 : 145,851,430.89 = 68,047,613.74 : x
  2. Step 2: Convert to fraction form
    105,762,943.54/145,851,430.89 = 68,047,613.74/x
  3. Step 3: Cross multiply
    105,762,943.54x = 145,851,430.89 × 68,047,613.74
  4. Step 4: Simplify right side
    105,762,943.54x = 9,924,841,832,629,022
  5. Step 5: Solve for x
    x = 9,924,841,832,629,022/105,762,943.54
  6. Step 6: Final answer
    x = 93,840,446.38

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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.