Home / 316,012,763.70-474,019,145.55-100,602,011.70

Finding the Fourth Proportional to 316,012,763.70, 474,019,145.55 and 100,602,011.70

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Solution

The fourth proportional to 316,012,763.70, 474,019,145.55 and 100,602,011.70 is: 150,903,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,012,763.70 : 474,019,145.55 = 100,602,011.70 : x
  2. Step 2: Convert to fraction form
    316,012,763.70/474,019,145.55 = 100,602,011.70/x
  3. Step 3: Cross multiply
    316,012,763.70x = 474,019,145.55 × 100,602,011.70
  4. Step 4: Simplify right side
    316,012,763.70x = 47,687,279,626,645,104
  5. Step 5: Solve for x
    x = 47,687,279,626,645,104/316,012,763.70
  6. Step 6: Final answer
    x = 150,903,017.55

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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.