Home / 261,780,748.40-361,259,947.14-144,310,281.32

Finding the Fourth Proportional to 261,780,748.40, 361,259,947.14 and 144,310,281.32

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Solution

The fourth proportional to 261,780,748.40, 361,259,947.14 and 144,310,281.32 is: 199,149,574.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,780,748.40 : 361,259,947.14 = 144,310,281.32 : x
  2. Step 2: Convert to fraction form
    261,780,748.40/361,259,947.14 = 144,310,281.32/x
  3. Step 3: Cross multiply
    261,780,748.40x = 361,259,947.14 × 144,310,281.32
  4. Step 4: Simplify right side
    261,780,748.40x = 52,133,524,601,421,728
  5. Step 5: Solve for x
    x = 52,133,524,601,421,728/261,780,748.40
  6. Step 6: Final answer
    x = 199,149,574.29

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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.