Home / 147,724,479.74-203,885,096.35-85,880,690.57

Finding the Fourth Proportional to 147,724,479.74, 203,885,096.35 and 85,880,690.57

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Solution

The fourth proportional to 147,724,479.74, 203,885,096.35 and 85,880,690.57 is: 118,530,069.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,724,479.74 : 203,885,096.35 = 85,880,690.57 : x
  2. Step 2: Convert to fraction form
    147,724,479.74/203,885,096.35 = 85,880,690.57/x
  3. Step 3: Cross multiply
    147,724,479.74x = 203,885,096.35 × 85,880,690.57
  4. Step 4: Simplify right side
    147,724,479.74x = 17,509,792,871,468,984
  5. Step 5: Solve for x
    x = 17,509,792,871,468,984/147,724,479.74
  6. Step 6: Final answer
    x = 118,530,069.64

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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.