Home / 137,799,933.01-190,163,803.07-75,920,271.57

Finding the Fourth Proportional to 137,799,933.01, 190,163,803.07 and 75,920,271.57

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Solution

The fourth proportional to 137,799,933.01, 190,163,803.07 and 75,920,271.57 is: 104,769,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,799,933.01 : 190,163,803.07 = 75,920,271.57 : x
  2. Step 2: Convert to fraction form
    137,799,933.01/190,163,803.07 = 75,920,271.57/x
  3. Step 3: Cross multiply
    137,799,933.01x = 190,163,803.07 × 75,920,271.57
  4. Step 4: Simplify right side
    137,799,933.01x = 14,437,287,572,048,198
  5. Step 5: Solve for x
    x = 14,437,287,572,048,198/137,799,933.01
  6. Step 6: Final answer
    x = 104,769,917.20

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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.