Home / 86,975,897.16-120,026,815.02-47,818,340.04

Finding the Fourth Proportional to 86,975,897.16, 120,026,815.02 and 47,818,340.04

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Solution

The fourth proportional to 86,975,897.16, 120,026,815.02 and 47,818,340.04 is: 65,989,351.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,975,897.16 : 120,026,815.02 = 47,818,340.04 : x
  2. Step 2: Convert to fraction form
    86,975,897.16/120,026,815.02 = 47,818,340.04/x
  3. Step 3: Cross multiply
    86,975,897.16x = 120,026,815.02 × 47,818,340.04
  4. Step 4: Simplify right side
    86,975,897.16x = 5,739,483,054,544,539
  5. Step 5: Solve for x
    x = 5,739,483,054,544,539/86,975,897.16
  6. Step 6: Final answer
    x = 65,989,351.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.