Home / 160,295,649.88-221,208,417.74-86,956,791.88

Finding the Fourth Proportional to 160,295,649.88, 221,208,417.74 and 86,956,791.88

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Solution

The fourth proportional to 160,295,649.88, 221,208,417.74 and 86,956,791.88 is: 120,000,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,295,649.88 : 221,208,417.74 = 86,956,791.88 : x
  2. Step 2: Convert to fraction form
    160,295,649.88/221,208,417.74 = 86,956,791.88/x
  3. Step 3: Cross multiply
    160,295,649.88x = 221,208,417.74 × 86,956,791.88
  4. Step 4: Simplify right side
    160,295,649.88x = 19,235,574,343,521,280
  5. Step 5: Solve for x
    x = 19,235,574,343,521,280/160,295,649.88
  6. Step 6: Final answer
    x = 120,000,601.13

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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.