Home / 279,907,703.16-386,349,459.53-162,470,867.89

Finding the Fourth Proportional to 279,907,703.16, 386,349,459.53 and 162,470,867.89

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Solution

The fourth proportional to 279,907,703.16, 386,349,459.53 and 162,470,867.89 is: 224,254,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,907,703.16 : 386,349,459.53 = 162,470,867.89 : x
  2. Step 2: Convert to fraction form
    279,907,703.16/386,349,459.53 = 162,470,867.89/x
  3. Step 3: Cross multiply
    279,907,703.16x = 386,349,459.53 × 162,470,867.89
  4. Step 4: Simplify right side
    279,907,703.16x = 62,770,531,996,893,296
  5. Step 5: Solve for x
    x = 62,770,531,996,893,296/279,907,703.16
  6. Step 6: Final answer
    x = 224,254,392.75

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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.