Home / 160,553,518.90-221,569,946.64-89,990,433.29

Finding the Fourth Proportional to 160,553,518.90, 221,569,946.64 and 89,990,433.29

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Solution

The fourth proportional to 160,553,518.90, 221,569,946.64 and 89,990,433.29 is: 124,190,211.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,553,518.90 : 221,569,946.64 = 89,990,433.29 : x
  2. Step 2: Convert to fraction form
    160,553,518.90/221,569,946.64 = 89,990,433.29/x
  3. Step 3: Cross multiply
    160,553,518.90x = 221,569,946.64 × 89,990,433.29
  4. Step 4: Simplify right side
    160,553,518.90x = 19,939,175,502,729,704
  5. Step 5: Solve for x
    x = 19,939,175,502,729,704/160,553,518.90
  6. Step 6: Final answer
    x = 124,190,211.71

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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.