Home / 134,868,045.98-186,117,901.20-72,988,384.56

Finding the Fourth Proportional to 134,868,045.98, 186,117,901.20 and 72,988,384.56

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Solution

The fourth proportional to 134,868,045.98, 186,117,901.20 and 72,988,384.56 is: 100,723,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,868,045.98 : 186,117,901.20 = 72,988,384.56 : x
  2. Step 2: Convert to fraction form
    134,868,045.98/186,117,901.20 = 72,988,384.56/x
  3. Step 3: Cross multiply
    134,868,045.98x = 186,117,901.20 × 72,988,384.56
  4. Step 4: Simplify right side
    134,868,045.98x = 13,584,444,946,285,686
  5. Step 5: Solve for x
    x = 13,584,444,946,285,686/134,868,045.98
  6. Step 6: Final answer
    x = 100,723,969.47

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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.