Home / 299,934,005.76-413,940,101.76-172,779,071.04

Finding the Fourth Proportional to 299,934,005.76, 413,940,101.76 and 172,779,071.04

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Solution

The fourth proportional to 299,934,005.76, 413,940,101.76 and 172,779,071.04 is: 238,453,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,934,005.76 : 413,940,101.76 = 172,779,071.04 : x
  2. Step 2: Convert to fraction form
    299,934,005.76/413,940,101.76 = 172,779,071.04/x
  3. Step 3: Cross multiply
    299,934,005.76x = 413,940,101.76 × 172,779,071.04
  4. Step 4: Simplify right side
    299,934,005.76x = 71,520,186,248,295,864
  5. Step 5: Solve for x
    x = 71,520,186,248,295,864/299,934,005.76
  6. Step 6: Final answer
    x = 238,453,075.93

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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.