Home / 261,303,697.60-360,596,241.08-143,826,516.16

Finding the Fourth Proportional to 261,303,697.60, 360,596,241.08 and 143,826,516.16

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Solution

The fourth proportional to 261,303,697.60, 360,596,241.08 and 143,826,516.16 is: 198,479,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,303,697.60 : 360,596,241.08 = 143,826,516.16 : x
  2. Step 2: Convert to fraction form
    261,303,697.60/360,596,241.08 = 143,826,516.16/x
  3. Step 3: Cross multiply
    261,303,697.60x = 360,596,241.08 × 143,826,516.16
  4. Step 4: Simplify right side
    261,303,697.60x = 51,863,301,094,927,872
  5. Step 5: Solve for x
    x = 51,863,301,094,927,872/261,303,697.60
  6. Step 6: Final answer
    x = 198,479,017.22

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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.