Home / 160,308,285.32-221,225,862.54-86,969,427.32

Finding the Fourth Proportional to 160,308,285.32, 221,225,862.54 and 86,969,427.32

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Solution

The fourth proportional to 160,308,285.32, 221,225,862.54 and 86,969,427.32 is: 120,018,042.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,308,285.32 : 221,225,862.54 = 86,969,427.32 : x
  2. Step 2: Convert to fraction form
    160,308,285.32/221,225,862.54 = 86,969,427.32/x
  3. Step 3: Cross multiply
    160,308,285.32x = 221,225,862.54 × 86,969,427.32
  4. Step 4: Simplify right side
    160,308,285.32x = 19,239,886,573,476,840
  5. Step 5: Solve for x
    x = 19,239,886,573,476,840/160,308,285.32
  6. Step 6: Final answer
    x = 120,018,042.33

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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.