Home / 221,152,264.40-331,877,695.80-144,288,059.60

Finding the Fourth Proportional to 221,152,264.40, 331,877,695.80 and 144,288,059.60

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Solution

The fourth proportional to 221,152,264.40, 331,877,695.80 and 144,288,059.60 is: 216,529,497.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,152,264.40 : 331,877,695.80 = 144,288,059.60 : x
  2. Step 2: Convert to fraction form
    221,152,264.40/331,877,695.80 = 144,288,059.60/x
  3. Step 3: Cross multiply
    221,152,264.40x = 331,877,695.80 × 144,288,059.60
  4. Step 4: Simplify right side
    221,152,264.40x = 47,885,988,751,501,072
  5. Step 5: Solve for x
    x = 47,885,988,751,501,072/221,152,264.40
  6. Step 6: Final answer
    x = 216,529,497.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.