Home / 221,231,632.32-305,254,074.42-127,127,602.98

Finding the Fourth Proportional to 221,231,632.32, 305,254,074.42 and 127,127,602.98

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Solution

The fourth proportional to 221,231,632.32, 305,254,074.42 and 127,127,602.98 is: 175,409,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,231,632.32 : 305,254,074.42 = 127,127,602.98 : x
  2. Step 2: Convert to fraction form
    221,231,632.32/305,254,074.42 = 127,127,602.98/x
  3. Step 3: Cross multiply
    221,231,632.32x = 305,254,074.42 × 127,127,602.98
  4. Step 4: Simplify right side
    221,231,632.32x = 38,806,218,780,893,136
  5. Step 5: Solve for x
    x = 38,806,218,780,893,136/221,231,632.32
  6. Step 6: Final answer
    x = 175,409,901.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.