Home / 156,732,527.76-216,285,371.82-86,167,624.20

Finding the Fourth Proportional to 156,732,527.76, 216,285,371.82 and 86,167,624.20

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Solution

The fourth proportional to 156,732,527.76, 216,285,371.82 and 86,167,624.20 is: 118,908,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,732,527.76 : 216,285,371.82 = 86,167,624.20 : x
  2. Step 2: Convert to fraction form
    156,732,527.76/216,285,371.82 = 86,167,624.20/x
  3. Step 3: Cross multiply
    156,732,527.76x = 216,285,371.82 × 86,167,624.20
  4. Step 4: Simplify right side
    156,732,527.76x = 18,636,796,638,943,032
  5. Step 5: Solve for x
    x = 18,636,796,638,943,032/156,732,527.76
  6. Step 6: Final answer
    x = 118,908,288.57

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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.