Home / 340,110,618.40-510,165,927.60-145,988,999.20

Finding the Fourth Proportional to 340,110,618.40, 510,165,927.60 and 145,988,999.20

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Solution

The fourth proportional to 340,110,618.40, 510,165,927.60 and 145,988,999.20 is: 218,983,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,110,618.40 : 510,165,927.60 = 145,988,999.20 : x
  2. Step 2: Convert to fraction form
    340,110,618.40/510,165,927.60 = 145,988,999.20/x
  3. Step 3: Cross multiply
    340,110,618.40x = 510,165,927.60 × 145,988,999.20
  4. Step 4: Simplify right side
    340,110,618.40x = 74,478,613,196,263,648
  5. Step 5: Solve for x
    x = 74,478,613,196,263,648/340,110,618.40
  6. Step 6: Final answer
    x = 218,983,498.80

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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.