Home / 150,974,680.96-208,343,968-85,784,584.96

Finding the Fourth Proportional to 150,974,680.96, 208,343,968 and 85,784,584.96

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Solution

The fourth proportional to 150,974,680.96, 208,343,968 and 85,784,584.96 is: 118,382,106.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,974,680.96 : 208,343,968 = 85,784,584.96 : x
  2. Step 2: Convert to fraction form
    150,974,680.96/208,343,968 = 85,784,584.96/x
  3. Step 3: Cross multiply
    150,974,680.96x = 208,343,968 × 85,784,584.96
  4. Step 4: Simplify right side
    150,974,680.96x = 17,872,700,823,799,520
  5. Step 5: Solve for x
    x = 17,872,700,823,799,520/150,974,680.96
  6. Step 6: Final answer
    x = 118,382,106.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.