Home / 100,932,561.57-151,398,842.36-31,852,366.46

Finding the Fourth Proportional to 100,932,561.57, 151,398,842.36 and 31,852,366.46

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Solution

The fourth proportional to 100,932,561.57, 151,398,842.36 and 31,852,366.46 is: 47,778,549.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,932,561.57 : 151,398,842.36 = 31,852,366.46 : x
  2. Step 2: Convert to fraction form
    100,932,561.57/151,398,842.36 = 31,852,366.46/x
  3. Step 3: Cross multiply
    100,932,561.57x = 151,398,842.36 × 31,852,366.46
  4. Step 4: Simplify right side
    100,932,561.57x = 4,822,411,407,554,235
  5. Step 5: Solve for x
    x = 4,822,411,407,554,235/100,932,561.57
  6. Step 6: Final answer
    x = 47,778,549.68

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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.