Home / 316,012,764.20-474,019,146.30-100,602,012.20

Finding the Fourth Proportional to 316,012,764.20, 474,019,146.30 and 100,602,012.20

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Solution

The fourth proportional to 316,012,764.20, 474,019,146.30 and 100,602,012.20 is: 150,903,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,012,764.20 : 474,019,146.30 = 100,602,012.20 : x
  2. Step 2: Convert to fraction form
    316,012,764.20/474,019,146.30 = 100,602,012.20/x
  3. Step 3: Cross multiply
    316,012,764.20x = 474,019,146.30 × 100,602,012.20
  4. Step 4: Simplify right side
    316,012,764.20x = 47,687,279,939,106,184
  5. Step 5: Solve for x
    x = 47,687,279,939,106,184/316,012,764.20
  6. Step 6: Final answer
    x = 150,903,018.30

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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.