Home / 142,008,362.65-195,938,258.97-86,252,230.14

Finding the Fourth Proportional to 142,008,362.65, 195,938,258.97 and 86,252,230.14

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Solution

The fourth proportional to 142,008,362.65, 195,938,258.97 and 86,252,230.14 is: 119,007,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,008,362.65 : 195,938,258.97 = 86,252,230.14 : x
  2. Step 2: Convert to fraction form
    142,008,362.65/195,938,258.97 = 86,252,230.14/x
  3. Step 3: Cross multiply
    142,008,362.65x = 195,938,258.97 × 86,252,230.14
  4. Step 4: Simplify right side
    142,008,362.65x = 16,900,111,804,500,408
  5. Step 5: Solve for x
    x = 16,900,111,804,500,408/142,008,362.65
  6. Step 6: Final answer
    x = 119,007,863.26

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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.