Home / 72,482,303.25-100,025,594.89-39,887,255.25

Finding the Fourth Proportional to 72,482,303.25, 100,025,594.89 and 39,887,255.25

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Solution

The fourth proportional to 72,482,303.25, 100,025,594.89 and 39,887,255.25 is: 55,044,421.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,482,303.25 : 100,025,594.89 = 39,887,255.25 : x
  2. Step 2: Convert to fraction form
    72,482,303.25/100,025,594.89 = 39,887,255.25/x
  3. Step 3: Cross multiply
    72,482,303.25x = 100,025,594.89 × 39,887,255.25
  4. Step 4: Simplify right side
    72,482,303.25x = 3,989,746,434,810,807.50
  5. Step 5: Solve for x
    x = 3,989,746,434,810,807.50/72,482,303.25
  6. Step 6: Final answer
    x = 55,044,421.27

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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.