Home / 117,191,818.60-161,709,842.82-64,254,596.92

Finding the Fourth Proportional to 117,191,818.60, 161,709,842.82 and 64,254,596.92

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Solution

The fourth proportional to 117,191,818.60, 161,709,842.82 and 64,254,596.92 is: 88,663,192.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,191,818.60 : 161,709,842.82 = 64,254,596.92 : x
  2. Step 2: Convert to fraction form
    117,191,818.60/161,709,842.82 = 64,254,596.92/x
  3. Step 3: Cross multiply
    117,191,818.60x = 161,709,842.82 × 64,254,596.92
  4. Step 4: Simplify right side
    117,191,818.60x = 10,390,600,768,395,656
  5. Step 5: Solve for x
    x = 10,390,600,768,395,656/117,191,818.60
  6. Step 6: Final answer
    x = 88,663,192.47

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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.