Home / 134,868,125.01-186,118,010.25-72,988,463.58

Finding the Fourth Proportional to 134,868,125.01, 186,118,010.25 and 72,988,463.58

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Solution

The fourth proportional to 134,868,125.01, 186,118,010.25 and 72,988,463.58 is: 100,724,078.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,868,125.01 : 186,118,010.25 = 72,988,463.58 : x
  2. Step 2: Convert to fraction form
    134,868,125.01/186,118,010.25 = 72,988,463.58/x
  3. Step 3: Cross multiply
    134,868,125.01x = 186,118,010.25 × 72,988,463.58
  4. Step 4: Simplify right side
    134,868,125.01x = 13,584,467,611,742,544
  5. Step 5: Solve for x
    x = 13,584,467,611,742,544/134,868,125.01
  6. Step 6: Final answer
    x = 100,724,078.51

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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.