Home / 64,862,509.93-89,512,019.92-39,744,182.98

Finding the Fourth Proportional to 64,862,509.93, 89,512,019.92 and 39,744,182.98

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Solution

The fourth proportional to 64,862,509.93, 89,512,019.92 and 39,744,182.98 is: 54,848,048.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,862,509.93 : 89,512,019.92 = 39,744,182.98 : x
  2. Step 2: Convert to fraction form
    64,862,509.93/89,512,019.92 = 39,744,182.98/x
  3. Step 3: Cross multiply
    64,862,509.93x = 89,512,019.92 × 39,744,182.98
  4. Step 4: Simplify right side
    64,862,509.93x = 3,557,582,098,044,518.50
  5. Step 5: Solve for x
    x = 3,557,582,098,044,518.50/64,862,509.93
  6. Step 6: Final answer
    x = 54,848,048.62

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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.