Home / 79,570,589.80-109,767,219.72-46,509,239.20

Finding the Fourth Proportional to 79,570,589.80, 109,767,219.72 and 46,509,239.20

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Solution

The fourth proportional to 79,570,589.80, 109,767,219.72 and 46,509,239.20 is: 64,159,256.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,570,589.80 : 109,767,219.72 = 46,509,239.20 : x
  2. Step 2: Convert to fraction form
    79,570,589.80/109,767,219.72 = 46,509,239.20/x
  3. Step 3: Cross multiply
    79,570,589.80x = 109,767,219.72 × 46,509,239.20
  4. Step 4: Simplify right side
    79,570,589.80x = 5,105,189,878,276,437
  5. Step 5: Solve for x
    x = 5,105,189,878,276,437/79,570,589.80
  6. Step 6: Final answer
    x = 64,159,256.47

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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.