Home / 190,064,169.72-262,288,543.50-103,144,041.72

Finding the Fourth Proportional to 190,064,169.72, 262,288,543.50 and 103,144,041.72

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Solution

The fourth proportional to 190,064,169.72, 262,288,543.50 and 103,144,041.72 is: 142,338,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,064,169.72 : 262,288,543.50 = 103,144,041.72 : x
  2. Step 2: Convert to fraction form
    190,064,169.72/262,288,543.50 = 103,144,041.72/x
  3. Step 3: Cross multiply
    190,064,169.72x = 262,288,543.50 × 103,144,041.72
  4. Step 4: Simplify right side
    190,064,169.72x = 27,053,500,473,442,036
  5. Step 5: Solve for x
    x = 27,053,500,473,442,036/190,064,169.72
  6. Step 6: Final answer
    x = 142,338,771.76

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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.