Home / 86,975,896.16-120,026,813.64-47,818,339.04

Finding the Fourth Proportional to 86,975,896.16, 120,026,813.64 and 47,818,339.04

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Solution

The fourth proportional to 86,975,896.16, 120,026,813.64 and 47,818,339.04 is: 65,989,350.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,975,896.16 : 120,026,813.64 = 47,818,339.04 : x
  2. Step 2: Convert to fraction form
    86,975,896.16/120,026,813.64 = 47,818,339.04/x
  3. Step 3: Cross multiply
    86,975,896.16x = 120,026,813.64 × 47,818,339.04
  4. Step 4: Simplify right side
    86,975,896.16x = 5,739,482,868,528,416
  5. Step 5: Solve for x
    x = 5,739,482,868,528,416/86,975,896.16
  6. Step 6: Final answer
    x = 65,989,350.18

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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.