Home / 261,370,566.15-360,677,690.04-143,872,946.87

Finding the Fourth Proportional to 261,370,566.15, 360,677,690.04 and 143,872,946.87

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Solution

The fourth proportional to 261,370,566.15, 360,677,690.04 and 143,872,946.87 is: 198,537,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,370,566.15 : 360,677,690.04 = 143,872,946.87 : x
  2. Step 2: Convert to fraction form
    261,370,566.15/360,677,690.04 = 143,872,946.87/x
  3. Step 3: Cross multiply
    261,370,566.15x = 360,677,690.04 × 143,872,946.87
  4. Step 4: Simplify right side
    261,370,566.15x = 51,891,762,134,515,864
  5. Step 5: Solve for x
    x = 51,891,762,134,515,864/261,370,566.15
  6. Step 6: Final answer
    x = 198,537,130.25

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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.