Home / 214,563,354.01-321,893,007.41-78,248,737.51

Finding the Fourth Proportional to 214,563,354.01, 321,893,007.41 and 78,248,737.51

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Solution

The fourth proportional to 214,563,354.01, 321,893,007.41 and 78,248,737.51 is: 117,390,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,563,354.01 : 321,893,007.41 = 78,248,737.51 : x
  2. Step 2: Convert to fraction form
    214,563,354.01/321,893,007.41 = 78,248,737.51/x
  3. Step 3: Cross multiply
    214,563,354.01x = 321,893,007.41 × 78,248,737.51
  4. Step 4: Simplify right side
    214,563,354.01x = 25,187,721,443,129,580
  5. Step 5: Solve for x
    x = 25,187,721,443,129,580/214,563,354.01
  6. Step 6: Final answer
    x = 117,390,602.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.