Home / 57,357,264.80-86,035,897.20-56,959,133.60

Finding the Fourth Proportional to 57,357,264.80, 86,035,897.20 and 56,959,133.60

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Solution

The fourth proportional to 57,357,264.80, 86,035,897.20 and 56,959,133.60 is: 85,438,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,357,264.80 : 86,035,897.20 = 56,959,133.60 : x
  2. Step 2: Convert to fraction form
    57,357,264.80/86,035,897.20 = 56,959,133.60/x
  3. Step 3: Cross multiply
    57,357,264.80x = 86,035,897.20 × 56,959,133.60
  4. Step 4: Simplify right side
    57,357,264.80x = 4,900,530,163,010,666
  5. Step 5: Solve for x
    x = 4,900,530,163,010,666/57,357,264.80
  6. Step 6: Final answer
    x = 85,438,700.40

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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.