Home / 86,794,270.80-130,002,449.40-52,656,075.60

Finding the Fourth Proportional to 86,794,270.80, 130,002,449.40 and 52,656,075.60

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Solution

The fourth proportional to 86,794,270.80, 130,002,449.40 and 52,656,075.60 is: 78,869,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,794,270.80 : 130,002,449.40 = 52,656,075.60 : x
  2. Step 2: Convert to fraction form
    86,794,270.80/130,002,449.40 = 52,656,075.60/x
  3. Step 3: Cross multiply
    86,794,270.80x = 130,002,449.40 × 52,656,075.60
  4. Step 4: Simplify right side
    86,794,270.80x = 6,845,418,803,791,575
  5. Step 5: Solve for x
    x = 6,845,418,803,791,575/86,794,270.80
  6. Step 6: Final answer
    x = 78,869,477.68

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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.