Home / 261,303,675.60-360,596,210.76-143,826,494.16

Finding the Fourth Proportional to 261,303,675.60, 360,596,210.76 and 143,826,494.16

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Solution

The fourth proportional to 261,303,675.60, 360,596,210.76 and 143,826,494.16 is: 198,478,986.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,303,675.60 : 360,596,210.76 = 143,826,494.16 : x
  2. Step 2: Convert to fraction form
    261,303,675.60/360,596,210.76 = 143,826,494.16/x
  3. Step 3: Cross multiply
    261,303,675.60x = 360,596,210.76 × 143,826,494.16
  4. Step 4: Simplify right side
    261,303,675.60x = 51,863,288,800,991,264
  5. Step 5: Solve for x
    x = 51,863,288,800,991,264/261,303,675.60
  6. Step 6: Final answer
    x = 198,478,986.88

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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.