Home / 107,008,363.20-160,512,544.80-105,415,838.40

Finding the Fourth Proportional to 107,008,363.20, 160,512,544.80 and 105,415,838.40

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Solution

The fourth proportional to 107,008,363.20, 160,512,544.80 and 105,415,838.40 is: 158,123,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,008,363.20 : 160,512,544.80 = 105,415,838.40 : x
  2. Step 2: Convert to fraction form
    107,008,363.20/160,512,544.80 = 105,415,838.40/x
  3. Step 3: Cross multiply
    107,008,363.20x = 160,512,544.80 × 105,415,838.40
  4. Step 4: Simplify right side
    107,008,363.20x = 16,920,564,483,809,562
  5. Step 5: Solve for x
    x = 16,920,564,483,809,562/107,008,363.20
  6. Step 6: Final answer
    x = 158,123,757.60

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1.5x scale

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.