Home / 218,307,421.10-301,262,681.38-119,188,165.42

Finding the Fourth Proportional to 218,307,421.10, 301,262,681.38 and 119,188,165.42

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Solution

The fourth proportional to 218,307,421.10, 301,262,681.38 and 119,188,165.42 is: 164,478,816.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,307,421.10 : 301,262,681.38 = 119,188,165.42 : x
  2. Step 2: Convert to fraction form
    218,307,421.10/301,262,681.38 = 119,188,165.42/x
  3. Step 3: Cross multiply
    218,307,421.10x = 301,262,681.38 × 119,188,165.42
  4. Step 4: Simplify right side
    218,307,421.10x = 35,906,946,303,192,192
  5. Step 5: Solve for x
    x = 35,906,946,303,192,192/218,307,421.10
  6. Step 6: Final answer
    x = 164,478,816.72

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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.