Home / 201,845,909.37-278,547,466.29-109,026,416.91

Finding the Fourth Proportional to 201,845,909.37, 278,547,466.29 and 109,026,416.91

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Solution

The fourth proportional to 201,845,909.37, 278,547,466.29 and 109,026,416.91 is: 150,456,515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,845,909.37 : 278,547,466.29 = 109,026,416.91 : x
  2. Step 2: Convert to fraction form
    201,845,909.37/278,547,466.29 = 109,026,416.91/x
  3. Step 3: Cross multiply
    201,845,909.37x = 278,547,466.29 × 109,026,416.91
  4. Step 4: Simplify right side
    201,845,909.37x = 30,369,032,188,957,712
  5. Step 5: Solve for x
    x = 30,369,032,188,957,712/201,845,909.37
  6. Step 6: Final answer
    x = 150,456,515.49

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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.