Home / 157,176,817.20-235,765,225.80-70,956,529.20

Finding the Fourth Proportional to 157,176,817.20, 235,765,225.80 and 70,956,529.20

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Solution

The fourth proportional to 157,176,817.20, 235,765,225.80 and 70,956,529.20 is: 106,434,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,176,817.20 : 235,765,225.80 = 70,956,529.20 : x
  2. Step 2: Convert to fraction form
    157,176,817.20/235,765,225.80 = 70,956,529.20/x
  3. Step 3: Cross multiply
    157,176,817.20x = 235,765,225.80 × 70,956,529.20
  4. Step 4: Simplify right side
    157,176,817.20x = 16,729,082,128,822,294
  5. Step 5: Solve for x
    x = 16,729,082,128,822,294/157,176,817.20
  6. Step 6: Final answer
    x = 106,434,793.80

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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.