Home / 157,464,681.40-236,197,022.10-108,929,027.80

Finding the Fourth Proportional to 157,464,681.40, 236,197,022.10 and 108,929,027.80

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Solution

The fourth proportional to 157,464,681.40, 236,197,022.10 and 108,929,027.80 is: 163,393,541.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,681.40 : 236,197,022.10 = 108,929,027.80 : x
  2. Step 2: Convert to fraction form
    157,464,681.40/236,197,022.10 = 108,929,027.80/x
  3. Step 3: Cross multiply
    157,464,681.40x = 236,197,022.10 × 108,929,027.80
  4. Step 4: Simplify right side
    157,464,681.40x = 25,728,711,986,608,112
  5. Step 5: Solve for x
    x = 25,728,711,986,608,112/157,464,681.40
  6. Step 6: Final answer
    x = 163,393,541.70

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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.