Home / 42,670,332.38-58,885,056.78-23,091,221.36

Finding the Fourth Proportional to 42,670,332.38, 58,885,056.78 and 23,091,221.36

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Solution

The fourth proportional to 42,670,332.38, 58,885,056.78 and 23,091,221.36 is: 31,865,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,670,332.38 : 58,885,056.78 = 23,091,221.36 : x
  2. Step 2: Convert to fraction form
    42,670,332.38/58,885,056.78 = 23,091,221.36/x
  3. Step 3: Cross multiply
    42,670,332.38x = 58,885,056.78 × 23,091,221.36
  4. Step 4: Simplify right side
    42,670,332.38x = 1,359,727,880,903,148.75
  5. Step 5: Solve for x
    x = 1,359,727,880,903,148.75/42,670,332.38
  6. Step 6: Final answer
    x = 31,865,884.45

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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.