Home / 147,724,446.80-203,885,050.91-85,880,657.63

Finding the Fourth Proportional to 147,724,446.80, 203,885,050.91 and 85,880,657.63

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Solution

The fourth proportional to 147,724,446.80, 203,885,050.91 and 85,880,657.63 is: 118,530,024.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,724,446.80 : 203,885,050.91 = 85,880,657.63 : x
  2. Step 2: Convert to fraction form
    147,724,446.80/203,885,050.91 = 85,880,657.63/x
  3. Step 3: Cross multiply
    147,724,446.80x = 203,885,050.91 × 85,880,657.63
  4. Step 4: Simplify right side
    147,724,446.80x = 17,509,782,253,157,138
  5. Step 5: Solve for x
    x = 17,509,782,253,157,138/147,724,446.80
  6. Step 6: Final answer
    x = 118,530,024.19

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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.