Home / 86,919,089.60-130,378,634.40-26,337,828.80

Finding the Fourth Proportional to 86,919,089.60, 130,378,634.40 and 26,337,828.80

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Solution

The fourth proportional to 86,919,089.60, 130,378,634.40 and 26,337,828.80 is: 39,506,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,919,089.60 : 130,378,634.40 = 26,337,828.80 : x
  2. Step 2: Convert to fraction form
    86,919,089.60/130,378,634.40 = 26,337,828.80/x
  3. Step 3: Cross multiply
    86,919,089.60x = 130,378,634.40 × 26,337,828.80
  4. Step 4: Simplify right side
    86,919,089.60x = 3,433,890,152,004,991
  5. Step 5: Solve for x
    x = 3,433,890,152,004,991/86,919,089.60
  6. Step 6: Final answer
    x = 39,506,743.20

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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.