Home / 134,868,130.04-186,118,017.20-72,988,468.61

Finding the Fourth Proportional to 134,868,130.04, 186,118,017.20 and 72,988,468.61

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Solution

The fourth proportional to 134,868,130.04, 186,118,017.20 and 72,988,468.61 is: 100,724,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,868,130.04 : 186,118,017.20 = 72,988,468.61 : x
  2. Step 2: Convert to fraction form
    134,868,130.04/186,118,017.20 = 72,988,468.61/x
  3. Step 3: Cross multiply
    134,868,130.04x = 186,118,017.20 × 72,988,468.61
  4. Step 4: Simplify right side
    134,868,130.04x = 13,584,469,055,135,814
  5. Step 5: Solve for x
    x = 13,584,469,055,135,814/134,868,130.04
  6. Step 6: Final answer
    x = 100,724,085.45

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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.