Home / 261,015,380.44-360,210,468.30-143,549,802.52

Finding the Fourth Proportional to 261,015,380.44, 360,210,468.30 and 143,549,802.52

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Solution

The fourth proportional to 261,015,380.44, 360,210,468.30 and 143,549,802.52 is: 198,103,810.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,015,380.44 : 360,210,468.30 = 143,549,802.52 : x
  2. Step 2: Convert to fraction form
    261,015,380.44/360,210,468.30 = 143,549,802.52/x
  3. Step 3: Cross multiply
    261,015,380.44x = 360,210,468.30 × 143,549,802.52
  4. Step 4: Simplify right side
    261,015,380.44x = 51,708,141,590,101,728
  5. Step 5: Solve for x
    x = 51,708,141,590,101,728/261,015,380.44
  6. Step 6: Final answer
    x = 198,103,810.98

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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.