Home / 64,162,968.80-96,232,643.40-39,858,400.40

Finding the Fourth Proportional to 64,162,968.80, 96,232,643.40 and 39,858,400.40

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Solution

The fourth proportional to 64,162,968.80, 96,232,643.40 and 39,858,400.40 is: 59,780,264.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,162,968.80 : 96,232,643.40 = 39,858,400.40 : x
  2. Step 2: Convert to fraction form
    64,162,968.80/96,232,643.40 = 39,858,400.40/x
  3. Step 3: Cross multiply
    64,162,968.80x = 96,232,643.40 × 39,858,400.40
  4. Step 4: Simplify right side
    64,162,968.80x = 3,835,679,232,187,617.50
  5. Step 5: Solve for x
    x = 3,835,679,232,187,617.50/64,162,968.80
  6. Step 6: Final answer
    x = 59,780,264.29

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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.