Home / 211,252,686.35-316,655,381.43-71,059,682.32

Finding the Fourth Proportional to 211,252,686.35, 316,655,381.43 and 71,059,682.32

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Solution

The fourth proportional to 211,252,686.35, 316,655,381.43 and 71,059,682.32 is: 106,514,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,252,686.35 : 316,655,381.43 = 71,059,682.32 : x
  2. Step 2: Convert to fraction form
    211,252,686.35/316,655,381.43 = 71,059,682.32/x
  3. Step 3: Cross multiply
    211,252,686.35x = 316,655,381.43 × 71,059,682.32
  4. Step 4: Simplify right side
    211,252,686.35x = 22,501,430,808,542,588
  5. Step 5: Solve for x
    x = 22,501,430,808,542,588/211,252,686.35
  6. Step 6: Final answer
    x = 106,514,294.32

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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.