Home / 127,856,271.08-176,398,479.60-72,813,155.24

Finding the Fourth Proportional to 127,856,271.08, 176,398,479.60 and 72,813,155.24

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Solution

The fourth proportional to 127,856,271.08, 176,398,479.60 and 72,813,155.24 is: 100,457,566.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,856,271.08 : 176,398,479.60 = 72,813,155.24 : x
  2. Step 2: Convert to fraction form
    127,856,271.08/176,398,479.60 = 72,813,155.24/x
  3. Step 3: Cross multiply
    127,856,271.08x = 176,398,479.60 × 72,813,155.24
  4. Step 4: Simplify right side
    127,856,271.08x = 12,844,129,879,214,772
  5. Step 5: Solve for x
    x = 12,844,129,879,214,772/127,856,271.08
  6. Step 6: Final answer
    x = 100,457,566.69

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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.