Home / 65,103,350.31-89,917,187.48-42,875,698.75

Finding the Fourth Proportional to 65,103,350.31, 89,917,187.48 and 42,875,698.75

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Solution

The fourth proportional to 65,103,350.31, 89,917,187.48 and 42,875,698.75 is: 59,217,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,103,350.31 : 89,917,187.48 = 42,875,698.75 : x
  2. Step 2: Convert to fraction form
    65,103,350.31/89,917,187.48 = 42,875,698.75/x
  3. Step 3: Cross multiply
    65,103,350.31x = 89,917,187.48 × 42,875,698.75
  4. Step 4: Simplify right side
    65,103,350.31x = 3,855,262,242,390,165.50
  5. Step 5: Solve for x
    x = 3,855,262,242,390,165.50/65,103,350.31
  6. Step 6: Final answer
    x = 59,217,570.59

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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.