Home / 57,357,655.20-79,152,563.52-31,252,389.12

Finding the Fourth Proportional to 57,357,655.20, 79,152,563.52 and 31,252,389.12

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Solution

The fourth proportional to 57,357,655.20, 79,152,563.52 and 31,252,389.12 is: 43,127,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,357,655.20 : 79,152,563.52 = 31,252,389.12 : x
  2. Step 2: Convert to fraction form
    57,357,655.20/79,152,563.52 = 31,252,389.12/x
  3. Step 3: Cross multiply
    57,357,655.20x = 79,152,563.52 × 31,252,389.12
  4. Step 4: Simplify right side
    57,357,655.20x = 2,473,706,714,972,557
  5. Step 5: Solve for x
    x = 2,473,706,714,972,557/57,357,655.20
  6. Step 6: Final answer
    x = 43,127,751.76

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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.