Home / 91,041,362.74-136,578,884.70-28,808,345.66

Finding the Fourth Proportional to 91,041,362.74, 136,578,884.70 and 28,808,345.66

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Solution

The fourth proportional to 91,041,362.74, 136,578,884.70 and 28,808,345.66 is: 43,217,847.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,041,362.74 : 136,578,884.70 = 28,808,345.66 : x
  2. Step 2: Convert to fraction form
    91,041,362.74/136,578,884.70 = 28,808,345.66/x
  3. Step 3: Cross multiply
    91,041,362.74x = 136,578,884.70 × 28,808,345.66
  4. Step 4: Simplify right side
    91,041,362.74x = 3,934,611,720,629,332.50
  5. Step 5: Solve for x
    x = 3,934,611,720,629,332.50/91,041,362.74
  6. Step 6: Final answer
    x = 43,217,847.38

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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.