Home / 187,272,033.20-280,908,049.80-122,648,807.60

Finding the Fourth Proportional to 187,272,033.20, 280,908,049.80 and 122,648,807.60

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Solution

The fourth proportional to 187,272,033.20, 280,908,049.80 and 122,648,807.60 is: 183,973,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,272,033.20 : 280,908,049.80 = 122,648,807.60 : x
  2. Step 2: Convert to fraction form
    187,272,033.20/280,908,049.80 = 122,648,807.60/x
  3. Step 3: Cross multiply
    187,272,033.20x = 280,908,049.80 × 122,648,807.60
  4. Step 4: Simplify right side
    187,272,033.20x = 34,453,037,353,211,420
  5. Step 5: Solve for x
    x = 34,453,037,353,211,420/187,272,033.20
  6. Step 6: Final answer
    x = 183,973,211.40

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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.