Home / 265,710,031.40-398,527,722.30-83,975,580.20

Finding the Fourth Proportional to 265,710,031.40, 398,527,722.30 and 83,975,580.20

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Solution

The fourth proportional to 265,710,031.40, 398,527,722.30 and 83,975,580.20 is: 125,951,574.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,710,031.40 : 398,527,722.30 = 83,975,580.20 : x
  2. Step 2: Convert to fraction form
    265,710,031.40/398,527,722.30 = 83,975,580.20/x
  3. Step 3: Cross multiply
    265,710,031.40x = 398,527,722.30 × 83,975,580.20
  4. Step 4: Simplify right side
    265,710,031.40x = 33,466,596,705,926,980
  5. Step 5: Solve for x
    x = 33,466,596,705,926,980/265,710,031.40
  6. Step 6: Final answer
    x = 125,951,574.09

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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.