Home / 292,572,040.32-438,881,942.52-146,930,699.88

Finding the Fourth Proportional to 292,572,040.32, 438,881,942.52 and 146,930,699.88

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Solution

The fourth proportional to 292,572,040.32, 438,881,942.52 and 146,930,699.88 is: 220,408,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,572,040.32 : 438,881,942.52 = 146,930,699.88 : x
  2. Step 2: Convert to fraction form
    292,572,040.32/438,881,942.52 = 146,930,699.88/x
  3. Step 3: Cross multiply
    292,572,040.32x = 438,881,942.52 × 146,930,699.88
  4. Step 4: Simplify right side
    292,572,040.32x = 64,485,230,979,157,528
  5. Step 5: Solve for x
    x = 64,485,230,979,157,528/292,572,040.32
  6. Step 6: Final answer
    x = 220,408,043.46

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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.