Home / 78,935,493.36-118,349,357.94-42,052,897.56

Finding the Fourth Proportional to 78,935,493.36, 118,349,357.94 and 42,052,897.56

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Solution

The fourth proportional to 78,935,493.36, 118,349,357.94 and 42,052,897.56 is: 63,050,640.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,935,493.36 : 118,349,357.94 = 42,052,897.56 : x
  2. Step 2: Convert to fraction form
    78,935,493.36/118,349,357.94 = 42,052,897.56/x
  3. Step 3: Cross multiply
    78,935,493.36x = 118,349,357.94 × 42,052,897.56
  4. Step 4: Simplify right side
    78,935,493.36x = 4,976,933,425,742,593
  5. Step 5: Solve for x
    x = 4,976,933,425,742,593/78,935,493.36
  6. Step 6: Final answer
    x = 63,050,640.64

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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.