Home / 86,891,089.80-130,147,677.90-52,752,894.60

Finding the Fourth Proportional to 86,891,089.80, 130,147,677.90 and 52,752,894.60

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Solution

The fourth proportional to 86,891,089.80, 130,147,677.90 and 52,752,894.60 is: 79,014,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,891,089.80 : 130,147,677.90 = 52,752,894.60 : x
  2. Step 2: Convert to fraction form
    86,891,089.80/130,147,677.90 = 52,752,894.60/x
  3. Step 3: Cross multiply
    86,891,089.80x = 130,147,677.90 × 52,752,894.60
  4. Step 4: Simplify right side
    86,891,089.80x = 6,865,666,734,693,450
  5. Step 5: Solve for x
    x = 6,865,666,734,693,450/86,891,089.80
  6. Step 6: Final answer
    x = 79,014,623.37

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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.