Home / 227,921,241.33-314,547,275.66-128,811,148.34

Finding the Fourth Proportional to 227,921,241.33, 314,547,275.66 and 128,811,148.34

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Solution

The fourth proportional to 227,921,241.33, 314,547,275.66 and 128,811,148.34 is: 177,768,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,921,241.33 : 314,547,275.66 = 128,811,148.34 : x
  2. Step 2: Convert to fraction form
    227,921,241.33/314,547,275.66 = 128,811,148.34/x
  3. Step 3: Cross multiply
    227,921,241.33x = 314,547,275.66 × 128,811,148.34
  4. Step 4: Simplify right side
    227,921,241.33x = 40,517,195,782,766,336
  5. Step 5: Solve for x
    x = 40,517,195,782,766,336/227,921,241.33
  6. Step 6: Final answer
    x = 177,768,406.08

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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.