Home / 148,112,657,760.39-204,391,991,109.58-87,148,973,661.90

Finding the Fourth Proportional to 148,112,657,760.39, 204,391,991,109.58 and 87,148,973,661.90

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Solution

The fourth proportional to 148,112,657,760.39, 204,391,991,109.58 and 87,148,973,661.90 is: 120,263,538,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,112,657,760.39 : 204,391,991,109.58 = 87,148,973,661.90 : x
  2. Step 2: Convert to fraction form
    148,112,657,760.39/204,391,991,109.58 = 87,148,973,661.90/x
  3. Step 3: Cross multiply
    148,112,657,760.39x = 204,391,991,109.58 × 87,148,973,661.90
  4. Step 4: Simplify right side
    148,112,657,760.39x = 17,812,552,249,912,084,922,368
  5. Step 5: Solve for x
    x = 17,812,552,249,912,084,922,368/148,112,657,760.39
  6. Step 6: Final answer
    x = 120,263,538,034.19

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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.