Home / 115,017,254.90-172,398,090.16-87,633,269

Finding the Fourth Proportional to 115,017,254.90, 172,398,090.16 and 87,633,269

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Solution

The fourth proportional to 115,017,254.90, 172,398,090.16 and 87,633,269 is: 131,352,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,017,254.90 : 172,398,090.16 = 87,633,269 : x
  2. Step 2: Convert to fraction form
    115,017,254.90/172,398,090.16 = 87,633,269/x
  3. Step 3: Cross multiply
    115,017,254.90x = 172,398,090.16 × 87,633,269
  4. Step 4: Simplify right side
    115,017,254.90x = 15,107,808,210,077,532
  5. Step 5: Solve for x
    x = 15,107,808,210,077,532/115,017,254.90
  6. Step 6: Final answer
    x = 131,352,536.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.