Home / 216,483,455.22-324,725,176.55-99,864,307.35

Finding the Fourth Proportional to 216,483,455.22, 324,725,176.55 and 99,864,307.35

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Solution

The fourth proportional to 216,483,455.22, 324,725,176.55 and 99,864,307.35 is: 149,796,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,483,455.22 : 324,725,176.55 = 99,864,307.35 : x
  2. Step 2: Convert to fraction form
    216,483,455.22/324,725,176.55 = 99,864,307.35/x
  3. Step 3: Cross multiply
    216,483,455.22x = 324,725,176.55 × 99,864,307.35
  4. Step 4: Simplify right side
    216,483,455.22x = 32,428,454,835,272,212
  5. Step 5: Solve for x
    x = 32,428,454,835,272,212/216,483,455.22
  6. Step 6: Final answer
    x = 149,796,458.13

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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.