Home / 77,001,662.02-115,502,689.93-19,493,939.33

Finding the Fourth Proportional to 77,001,662.02, 115,502,689.93 and 19,493,939.33

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Solution

The fourth proportional to 77,001,662.02, 115,502,689.93 and 19,493,939.33 is: 29,240,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,001,662.02 : 115,502,689.93 = 19,493,939.33 : x
  2. Step 2: Convert to fraction form
    77,001,662.02/115,502,689.93 = 19,493,939.33/x
  3. Step 3: Cross multiply
    77,001,662.02x = 115,502,689.93 × 19,493,939.33
  4. Step 4: Simplify right side
    77,001,662.02x = 2,251,602,429,947,222
  5. Step 5: Solve for x
    x = 2,251,602,429,947,222/77,001,662.02
  6. Step 6: Final answer
    x = 29,240,958.84

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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.