Home / 56,527,588,852.43-78,008,073,054.78-31,153,060,470.23

Finding the Fourth Proportional to 56,527,588,852.43, 78,008,073,054.78 and 31,153,060,470.23

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Solution

The fourth proportional to 56,527,588,852.43, 78,008,073,054.78 and 31,153,060,470.23 is: 42,991,223,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,527,588,852.43 : 78,008,073,054.78 = 31,153,060,470.23 : x
  2. Step 2: Convert to fraction form
    56,527,588,852.43/78,008,073,054.78 = 31,153,060,470.23/x
  3. Step 3: Cross multiply
    56,527,588,852.43x = 78,008,073,054.78 × 31,153,060,470.23
  4. Step 4: Simplify right side
    56,527,588,852.43x = 2,430,190,217,041,680,531,456
  5. Step 5: Solve for x
    x = 2,430,190,217,041,680,531,456/56,527,588,852.43
  6. Step 6: Final answer
    x = 42,991,223,690.54

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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.