Home / 57,357,808.20-79,152,774.84-31,252,541.76

Finding the Fourth Proportional to 57,357,808.20, 79,152,774.84 and 31,252,541.76

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Solution

The fourth proportional to 57,357,808.20, 79,152,774.84 and 31,252,541.76 is: 43,127,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,357,808.20 : 79,152,774.84 = 31,252,541.76 : x
  2. Step 2: Convert to fraction form
    57,357,808.20/79,152,774.84 = 31,252,541.76/x
  3. Step 3: Cross multiply
    57,357,808.20x = 79,152,774.84 × 31,252,541.76
  4. Step 4: Simplify right side
    57,357,808.20x = 2,473,725,401,106,977.50
  5. Step 5: Solve for x
    x = 2,473,725,401,106,977.50/57,357,808.20
  6. Step 6: Final answer
    x = 43,127,962.50

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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.