Home / 85,130,021.94-127,695,034.62-20,433,827.01

Finding the Fourth Proportional to 85,130,021.94, 127,695,034.62 and 20,433,827.01

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Solution

The fourth proportional to 85,130,021.94, 127,695,034.62 and 20,433,827.01 is: 30,650,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,130,021.94 : 127,695,034.62 = 20,433,827.01 : x
  2. Step 2: Convert to fraction form
    85,130,021.94/127,695,034.62 = 20,433,827.01/x
  3. Step 3: Cross multiply
    85,130,021.94x = 127,695,034.62 × 20,433,827.01
  4. Step 4: Simplify right side
    85,130,021.94x = 2,609,298,247,461,041.50
  5. Step 5: Solve for x
    x = 2,609,298,247,461,041.50/85,130,021.94
  6. Step 6: Final answer
    x = 30,650,740.93

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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.