Home / 56,943,421.60-85,415,132.40-47,369,610.40

Finding the Fourth Proportional to 56,943,421.60, 85,415,132.40 and 47,369,610.40

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Solution

The fourth proportional to 56,943,421.60, 85,415,132.40 and 47,369,610.40 is: 71,054,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,943,421.60 : 85,415,132.40 = 47,369,610.40 : x
  2. Step 2: Convert to fraction form
    56,943,421.60/85,415,132.40 = 47,369,610.40/x
  3. Step 3: Cross multiply
    56,943,421.60x = 85,415,132.40 × 47,369,610.40
  4. Step 4: Simplify right side
    56,943,421.60x = 4,046,081,544,052,417
  5. Step 5: Solve for x
    x = 4,046,081,544,052,417/56,943,421.60
  6. Step 6: Final answer
    x = 71,054,415.60

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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.