Home / 65,707,832.77-90,688,191.57-39,602,384.69

Finding the Fourth Proportional to 65,707,832.77, 90,688,191.57 and 39,602,384.69

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Solution

The fourth proportional to 65,707,832.77, 90,688,191.57 and 39,602,384.69 is: 54,658,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,707,832.77 : 90,688,191.57 = 39,602,384.69 : x
  2. Step 2: Convert to fraction form
    65,707,832.77/90,688,191.57 = 39,602,384.69/x
  3. Step 3: Cross multiply
    65,707,832.77x = 90,688,191.57 × 39,602,384.69
  4. Step 4: Simplify right side
    65,707,832.77x = 3,591,468,648,942,114
  5. Step 5: Solve for x
    x = 3,591,468,648,942,114/65,707,832.77
  6. Step 6: Final answer
    x = 54,658,151.06

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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.