Home / 210,374,524.80-290,311,275.24-117,555,795.36

Finding the Fourth Proportional to 210,374,524.80, 290,311,275.24 and 117,555,795.36

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Solution

The fourth proportional to 210,374,524.80, 290,311,275.24 and 117,555,795.36 is: 162,223,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,374,524.80 : 290,311,275.24 = 117,555,795.36 : x
  2. Step 2: Convert to fraction form
    210,374,524.80/290,311,275.24 = 117,555,795.36/x
  3. Step 3: Cross multiply
    210,374,524.80x = 290,311,275.24 × 117,555,795.36
  4. Step 4: Simplify right side
    210,374,524.80x = 34,127,772,862,814,076
  5. Step 5: Solve for x
    x = 34,127,772,862,814,076/210,374,524.80
  6. Step 6: Final answer
    x = 162,223,885.69

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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.