Home / 85,462,407.61-117,895,121.81-56,089,663.54

Finding the Fourth Proportional to 85,462,407.61, 117,895,121.81 and 56,089,663.54

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Solution

The fourth proportional to 85,462,407.61, 117,895,121.81 and 56,089,663.54 is: 77,375,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,462,407.61 : 117,895,121.81 = 56,089,663.54 : x
  2. Step 2: Convert to fraction form
    85,462,407.61/117,895,121.81 = 56,089,663.54/x
  3. Step 3: Cross multiply
    85,462,407.61x = 117,895,121.81 × 56,089,663.54
  4. Step 4: Simplify right side
    85,462,407.61x = 6,612,697,715,049,768
  5. Step 5: Solve for x
    x = 6,612,697,715,049,768/85,462,407.61
  6. Step 6: Final answer
    x = 77,375,513.98

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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.