Home / 160,111,684.18-240,120,411.63-72,622,586.26

Finding the Fourth Proportional to 160,111,684.18, 240,120,411.63 and 72,622,586.26

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Solution

The fourth proportional to 160,111,684.18, 240,120,411.63 and 72,622,586.26 is: 108,912,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,111,684.18 : 240,120,411.63 = 72,622,586.26 : x
  2. Step 2: Convert to fraction form
    160,111,684.18/240,120,411.63 = 72,622,586.26/x
  3. Step 3: Cross multiply
    160,111,684.18x = 240,120,411.63 × 72,622,586.26
  4. Step 4: Simplify right side
    160,111,684.18x = 17,438,165,306,386,384
  5. Step 5: Solve for x
    x = 17,438,165,306,386,384/160,111,684.18
  6. Step 6: Final answer
    x = 108,912,509.39

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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.