Home / 56,134,421.60-84,201,632.40-31,863,970.40

Finding the Fourth Proportional to 56,134,421.60, 84,201,632.40 and 31,863,970.40

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Solution

The fourth proportional to 56,134,421.60, 84,201,632.40 and 31,863,970.40 is: 47,795,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,134,421.60 : 84,201,632.40 = 31,863,970.40 : x
  2. Step 2: Convert to fraction form
    56,134,421.60/84,201,632.40 = 31,863,970.40/x
  3. Step 3: Cross multiply
    56,134,421.60x = 84,201,632.40 × 31,863,970.40
  4. Step 4: Simplify right side
    56,134,421.60x = 2,682,998,322,425,281
  5. Step 5: Solve for x
    x = 2,682,998,322,425,281/56,134,421.60
  6. Step 6: Final answer
    x = 47,795,955.60

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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.