Home / 141,470,969.04-212,194,297.92-86,124,440.16

Finding the Fourth Proportional to 141,470,969.04, 212,194,297.92 and 86,124,440.16

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Solution

The fourth proportional to 141,470,969.04, 212,194,297.92 and 86,124,440.16 is: 129,179,260.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,470,969.04 : 212,194,297.92 = 86,124,440.16 : x
  2. Step 2: Convert to fraction form
    141,470,969.04/212,194,297.92 = 86,124,440.16/x
  3. Step 3: Cross multiply
    141,470,969.04x = 212,194,297.92 × 86,124,440.16
  4. Step 4: Simplify right side
    141,470,969.04x = 18,275,115,113,504,252
  5. Step 5: Solve for x
    x = 18,275,115,113,504,252/141,470,969.04
  6. Step 6: Final answer
    x = 129,179,260.15

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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.