Home / 155,443,633.94-214,513,254.06-84,879,734.42

Finding the Fourth Proportional to 155,443,633.94, 214,513,254.06 and 84,879,734.42

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Solution

The fourth proportional to 155,443,633.94, 214,513,254.06 and 84,879,734.42 is: 117,134,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,443,633.94 : 214,513,254.06 = 84,879,734.42 : x
  2. Step 2: Convert to fraction form
    155,443,633.94/214,513,254.06 = 84,879,734.42/x
  3. Step 3: Cross multiply
    155,443,633.94x = 214,513,254.06 × 84,879,734.42
  4. Step 4: Simplify right side
    155,443,633.94x = 18,207,828,034,182,788
  5. Step 5: Solve for x
    x = 18,207,828,034,182,788/155,443,633.94
  6. Step 6: Final answer
    x = 117,134,600.97

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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.