Home / 74,453,060.80-111,770,570.40-42,127,451.20

Finding the Fourth Proportional to 74,453,060.80, 111,770,570.40 and 42,127,451.20

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Solution

The fourth proportional to 74,453,060.80, 111,770,570.40 and 42,127,451.20 is: 63,242,655.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,453,060.80 : 111,770,570.40 = 42,127,451.20 : x
  2. Step 2: Convert to fraction form
    74,453,060.80/111,770,570.40 = 42,127,451.20/x
  3. Step 3: Cross multiply
    74,453,060.80x = 111,770,570.40 × 42,127,451.20
  4. Step 4: Simplify right side
    74,453,060.80x = 4,708,609,250,122,165
  5. Step 5: Solve for x
    x = 4,708,609,250,122,165/74,453,060.80
  6. Step 6: Final answer
    x = 63,242,655.16

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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.