Home / 85,258,071.84-127,867,820.04-39,155,619.36

Finding the Fourth Proportional to 85,258,071.84, 127,867,820.04 and 39,155,619.36

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Solution

The fourth proportional to 85,258,071.84, 127,867,820.04 and 39,155,619.36 is: 58,724,570.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,258,071.84 : 127,867,820.04 = 39,155,619.36 : x
  2. Step 2: Convert to fraction form
    85,258,071.84/127,867,820.04 = 39,155,619.36/x
  3. Step 3: Cross multiply
    85,258,071.84x = 127,867,820.04 × 39,155,619.36
  4. Step 4: Simplify right side
    85,258,071.84x = 5,006,743,689,879,220
  5. Step 5: Solve for x
    x = 5,006,743,689,879,220/85,258,071.84
  6. Step 6: Final answer
    x = 58,724,570.96

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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.