Home / 160,153,165.71-240,143,315.22-72,666,942.35

Finding the Fourth Proportional to 160,153,165.71, 240,143,315.22 and 72,666,942.35

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Solution

The fourth proportional to 160,153,165.71, 240,143,315.22 and 72,666,942.35 is: 108,961,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,153,165.71 : 240,143,315.22 = 72,666,942.35 : x
  2. Step 2: Convert to fraction form
    160,153,165.71/240,143,315.22 = 72,666,942.35/x
  3. Step 3: Cross multiply
    160,153,165.71x = 240,143,315.22 × 72,666,942.35
  4. Step 4: Simplify right side
    160,153,165.71x = 17,450,480,441,628,900
  5. Step 5: Solve for x
    x = 17,450,480,441,628,900/160,153,165.71
  6. Step 6: Final answer
    x = 108,961,195.77

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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.