Home / 243,403,191.36-335,859,253.59-137,517,971.58

Finding the Fourth Proportional to 243,403,191.36, 335,859,253.59 and 137,517,971.58

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Solution

The fourth proportional to 243,403,191.36, 335,859,253.59 and 137,517,971.58 is: 189,753,811.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,403,191.36 : 335,859,253.59 = 137,517,971.58 : x
  2. Step 2: Convert to fraction form
    243,403,191.36/335,859,253.59 = 137,517,971.58/x
  3. Step 3: Cross multiply
    243,403,191.36x = 335,859,253.59 × 137,517,971.58
  4. Step 4: Simplify right side
    243,403,191.36x = 46,186,683,290,069,632
  5. Step 5: Solve for x
    x = 46,186,683,290,069,632/243,403,191.36
  6. Step 6: Final answer
    x = 189,753,811.49

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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.