Home / 105,271,020.86-145,264,259.60-58,227,082.06

Finding the Fourth Proportional to 105,271,020.86, 145,264,259.60 and 58,227,082.06

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Solution

The fourth proportional to 105,271,020.86, 145,264,259.60 and 58,227,082.06 is: 80,347,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,271,020.86 : 145,264,259.60 = 58,227,082.06 : x
  2. Step 2: Convert to fraction form
    105,271,020.86/145,264,259.60 = 58,227,082.06/x
  3. Step 3: Cross multiply
    105,271,020.86x = 145,264,259.60 × 58,227,082.06
  4. Step 4: Simplify right side
    105,271,020.86x = 8,458,313,964,114,343
  5. Step 5: Solve for x
    x = 8,458,313,964,114,343/105,271,020.86
  6. Step 6: Final answer
    x = 80,347,980.81

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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.