Home / 86,078,467-118,786,511.34-46,919,904.76

Finding the Fourth Proportional to 86,078,467, 118,786,511.34 and 46,919,904.76

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Solution

The fourth proportional to 86,078,467, 118,786,511.34 and 46,919,904.76 is: 64,748,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,078,467 : 118,786,511.34 = 46,919,904.76 : x
  2. Step 2: Convert to fraction form
    86,078,467/118,786,511.34 = 46,919,904.76/x
  3. Step 3: Cross multiply
    86,078,467x = 118,786,511.34 × 46,919,904.76
  4. Step 4: Simplify right side
    86,078,467x = 5,573,451,798,845,460
  5. Step 5: Solve for x
    x = 5,573,451,798,845,460/86,078,467
  6. Step 6: Final answer
    x = 64,748,502.07

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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.