Home / 219,023,156.93-302,251,962.53-121,238,012.93

Finding the Fourth Proportional to 219,023,156.93, 302,251,962.53 and 121,238,012.93

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Solution

The fourth proportional to 219,023,156.93, 302,251,962.53 and 121,238,012.93 is: 167,308,461.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,023,156.93 : 302,251,962.53 = 121,238,012.93 : x
  2. Step 2: Convert to fraction form
    219,023,156.93/302,251,962.53 = 121,238,012.93/x
  3. Step 3: Cross multiply
    219,023,156.93x = 302,251,962.53 × 121,238,012.93
  4. Step 4: Simplify right side
    219,023,156.93x = 36,644,427,340,723,824
  5. Step 5: Solve for x
    x = 36,644,427,340,723,824/219,023,156.93
  6. Step 6: Final answer
    x = 167,308,461.14

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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.