Home / 42,258,060.30-63,400,695.21-19,237,231.74

Finding the Fourth Proportional to 42,258,060.30, 63,400,695.21 and 19,237,231.74

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Solution

The fourth proportional to 42,258,060.30, 63,400,695.21 and 19,237,231.74 is: 28,862,040.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,258,060.30 : 63,400,695.21 = 19,237,231.74 : x
  2. Step 2: Convert to fraction form
    42,258,060.30/63,400,695.21 = 19,237,231.74/x
  3. Step 3: Cross multiply
    42,258,060.30x = 63,400,695.21 × 19,237,231.74
  4. Step 4: Simplify right side
    42,258,060.30x = 1,219,653,866,231,878
  5. Step 5: Solve for x
    x = 1,219,653,866,231,878/42,258,060.30
  6. Step 6: Final answer
    x = 28,862,040.94

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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.