Home / 72,658,684.84-108,880,397.70-59,796,179.68

Finding the Fourth Proportional to 72,658,684.84, 108,880,397.70 and 59,796,179.68

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Solution

The fourth proportional to 72,658,684.84, 108,880,397.70 and 59,796,179.68 is: 89,605,693.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,658,684.84 : 108,880,397.70 = 59,796,179.68 : x
  2. Step 2: Convert to fraction form
    72,658,684.84/108,880,397.70 = 59,796,179.68/x
  3. Step 3: Cross multiply
    72,658,684.84x = 108,880,397.70 × 59,796,179.68
  4. Step 4: Simplify right side
    72,658,684.84x = 6,510,631,824,499,059
  5. Step 5: Solve for x
    x = 6,510,631,824,499,059/72,658,684.84
  6. Step 6: Final answer
    x = 89,605,693.23

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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.