Home / 42,670,400.80-63,911,122.80-35,112,128.80

Finding the Fourth Proportional to 42,670,400.80, 63,911,122.80 and 35,112,128.80

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Solution

The fourth proportional to 42,670,400.80, 63,911,122.80 and 35,112,128.80 is: 52,590,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,670,400.80 : 63,911,122.80 = 35,112,128.80 : x
  2. Step 2: Convert to fraction form
    42,670,400.80/63,911,122.80 = 35,112,128.80/x
  3. Step 3: Cross multiply
    42,670,400.80x = 63,911,122.80 × 35,112,128.80
  4. Step 4: Simplify right side
    42,670,400.80x = 2,244,055,575,506,216.25
  5. Step 5: Solve for x
    x = 2,244,055,575,506,216.25/42,670,400.80
  6. Step 6: Final answer
    x = 52,590,449.90

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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.