Home / 211,828,521.12-292,402,655.49-159,057,671.68

Finding the Fourth Proportional to 211,828,521.12, 292,402,655.49 and 159,057,671.68

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Solution

The fourth proportional to 211,828,521.12, 292,402,655.49 and 159,057,671.68 is: 219,559,128.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,828,521.12 : 292,402,655.49 = 159,057,671.68 : x
  2. Step 2: Convert to fraction form
    211,828,521.12/292,402,655.49 = 159,057,671.68/x
  3. Step 3: Cross multiply
    211,828,521.12x = 292,402,655.49 × 159,057,671.68
  4. Step 4: Simplify right side
    211,828,521.12x = 46,508,885,575,288,576
  5. Step 5: Solve for x
    x = 46,508,885,575,288,576/211,828,521.12
  6. Step 6: Final answer
    x = 219,559,128.91

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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.