Home / 42,301,438.31-63,452,376.44-19,256,256.41

Finding the Fourth Proportional to 42,301,438.31, 63,452,376.44 and 19,256,256.41

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Solution

The fourth proportional to 42,301,438.31, 63,452,376.44 and 19,256,256.41 is: 28,884,484.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,301,438.31 : 63,452,376.44 = 19,256,256.41 : x
  2. Step 2: Convert to fraction form
    42,301,438.31/63,452,376.44 = 19,256,256.41/x
  3. Step 3: Cross multiply
    42,301,438.31x = 63,452,376.44 × 19,256,256.41
  4. Step 4: Simplify right side
    42,301,438.31x = 1,221,855,230,138,940
  5. Step 5: Solve for x
    x = 1,221,855,230,138,940/42,301,438.31
  6. Step 6: Final answer
    x = 28,884,484.29

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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.