Home / 74,776,000.40-112,164,000.60-42,527,373.20

Finding the Fourth Proportional to 74,776,000.40, 112,164,000.60 and 42,527,373.20

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Solution

The fourth proportional to 74,776,000.40, 112,164,000.60 and 42,527,373.20 is: 63,791,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,776,000.40 : 112,164,000.60 = 42,527,373.20 : x
  2. Step 2: Convert to fraction form
    74,776,000.40/112,164,000.60 = 42,527,373.20/x
  3. Step 3: Cross multiply
    74,776,000.40x = 112,164,000.60 × 42,527,373.20
  4. Step 4: Simplify right side
    74,776,000.40x = 4,770,040,313,121,224
  5. Step 5: Solve for x
    x = 4,770,040,313,121,224/74,776,000.40
  6. Step 6: Final answer
    x = 63,791,059.80

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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.