Home / 147,431,161.20-221,314,703.40-86,881,004.40

Finding the Fourth Proportional to 147,431,161.20, 221,314,703.40 and 86,881,004.40

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Solution

The fourth proportional to 147,431,161.20, 221,314,703.40 and 86,881,004.40 is: 130,420,486.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,431,161.20 : 221,314,703.40 = 86,881,004.40 : x
  2. Step 2: Convert to fraction form
    147,431,161.20/221,314,703.40 = 86,881,004.40/x
  3. Step 3: Cross multiply
    147,431,161.20x = 221,314,703.40 × 86,881,004.40
  4. Step 4: Simplify right side
    147,431,161.20x = 19,228,043,719,880,096
  5. Step 5: Solve for x
    x = 19,228,043,719,880,096/147,431,161.20
  6. Step 6: Final answer
    x = 130,420,486.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.