Home / 147,724,477.74-203,885,093.59-85,880,688.57

Finding the Fourth Proportional to 147,724,477.74, 203,885,093.59 and 85,880,688.57

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Solution

The fourth proportional to 147,724,477.74, 203,885,093.59 and 85,880,688.57 is: 118,530,066.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,724,477.74 : 203,885,093.59 = 85,880,688.57 : x
  2. Step 2: Convert to fraction form
    147,724,477.74/203,885,093.59 = 85,880,688.57/x
  3. Step 3: Cross multiply
    147,724,477.74x = 203,885,093.59 × 85,880,688.57
  4. Step 4: Simplify right side
    147,724,477.74x = 17,509,792,226,453,390
  5. Step 5: Solve for x
    x = 17,509,792,226,453,390/147,724,477.74
  6. Step 6: Final answer
    x = 118,530,066.88

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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.