Home / 64,689,315.28-89,272,498.07-35,321,811.81

Finding the Fourth Proportional to 64,689,315.28, 89,272,498.07 and 35,321,811.81

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Solution

The fourth proportional to 64,689,315.28, 89,272,498.07 and 35,321,811.81 is: 48,744,778.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,689,315.28 : 89,272,498.07 = 35,321,811.81 : x
  2. Step 2: Convert to fraction form
    64,689,315.28/89,272,498.07 = 35,321,811.81/x
  3. Step 3: Cross multiply
    64,689,315.28x = 89,272,498.07 × 35,321,811.81
  4. Step 4: Simplify right side
    64,689,315.28x = 3,153,266,376,637,128
  5. Step 5: Solve for x
    x = 3,153,266,376,637,128/64,689,315.28
  6. Step 6: Final answer
    x = 48,744,778.99

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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.