Home / 160,357,227.51-221,292,974.01-87,018,369.51

Finding the Fourth Proportional to 160,357,227.51, 221,292,974.01 and 87,018,369.51

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Solution

The fourth proportional to 160,357,227.51, 221,292,974.01 and 87,018,369.51 is: 120,085,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,357,227.51 : 221,292,974.01 = 87,018,369.51 : x
  2. Step 2: Convert to fraction form
    160,357,227.51/221,292,974.01 = 87,018,369.51/x
  3. Step 3: Cross multiply
    160,357,227.51x = 221,292,974.01 × 87,018,369.51
  4. Step 4: Simplify right side
    160,357,227.51x = 19,256,553,782,369,008
  5. Step 5: Solve for x
    x = 19,256,553,782,369,008/160,357,227.51
  6. Step 6: Final answer
    x = 120,085,349.95

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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.