Home / 160,357,213.10-221,292,954.09-87,018,355.10

Finding the Fourth Proportional to 160,357,213.10, 221,292,954.09 and 87,018,355.10

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Solution

The fourth proportional to 160,357,213.10, 221,292,954.09 and 87,018,355.10 is: 120,085,330.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,357,213.10 : 221,292,954.09 = 87,018,355.10 : x
  2. Step 2: Convert to fraction form
    160,357,213.10/221,292,954.09 = 87,018,355.10/x
  3. Step 3: Cross multiply
    160,357,213.10x = 221,292,954.09 × 87,018,355.10
  4. Step 4: Simplify right side
    160,357,213.10x = 19,256,548,859,025,152
  5. Step 5: Solve for x
    x = 19,256,548,859,025,152/160,357,213.10
  6. Step 6: Final answer
    x = 120,085,330.04

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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.