Home / 100,224,280.80-150,336,421.20-61,761,074.40

Finding the Fourth Proportional to 100,224,280.80, 150,336,421.20 and 61,761,074.40

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Solution

The fourth proportional to 100,224,280.80, 150,336,421.20 and 61,761,074.40 is: 92,641,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,224,280.80 : 150,336,421.20 = 61,761,074.40 : x
  2. Step 2: Convert to fraction form
    100,224,280.80/150,336,421.20 = 61,761,074.40/x
  3. Step 3: Cross multiply
    100,224,280.80x = 150,336,421.20 × 61,761,074.40
  4. Step 4: Simplify right side
    100,224,280.80x = 9,284,938,894,762,936
  5. Step 5: Solve for x
    x = 9,284,938,894,762,936/100,224,280.80
  6. Step 6: Final answer
    x = 92,641,611.60

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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.