Home / 64,889,693.16-89,542,102.23-38,423,298.95

Finding the Fourth Proportional to 64,889,693.16, 89,542,102.23 and 38,423,298.95

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Solution

The fourth proportional to 64,889,693.16, 89,542,102.23 and 38,423,298.95 is: 53,020,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,889,693.16 : 89,542,102.23 = 38,423,298.95 : x
  2. Step 2: Convert to fraction form
    64,889,693.16/89,542,102.23 = 38,423,298.95/x
  3. Step 3: Cross multiply
    64,889,693.16x = 89,542,102.23 × 38,423,298.95
  4. Step 4: Simplify right side
    64,889,693.16x = 3,440,502,962,722,759.50
  5. Step 5: Solve for x
    x = 3,440,502,962,722,759.50/64,889,693.16
  6. Step 6: Final answer
    x = 53,020,792.60

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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.