Home / 73,058,883.12-100,817,675.93-40,019,278.80

Finding the Fourth Proportional to 73,058,883.12, 100,817,675.93 and 40,019,278.80

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Solution

The fourth proportional to 73,058,883.12, 100,817,675.93 and 40,019,278.80 is: 55,224,642.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,058,883.12 : 100,817,675.93 = 40,019,278.80 : x
  2. Step 2: Convert to fraction form
    73,058,883.12/100,817,675.93 = 40,019,278.80/x
  3. Step 3: Cross multiply
    73,058,883.12x = 100,817,675.93 × 40,019,278.80
  4. Step 4: Simplify right side
    73,058,883.12x = 4,034,650,681,010,719.50
  5. Step 5: Solve for x
    x = 4,034,650,681,010,719.50/73,058,883.12
  6. Step 6: Final answer
    x = 55,224,642.22

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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.