Home / 190,064,166.72-262,288,539.36-103,144,038.72

Finding the Fourth Proportional to 190,064,166.72, 262,288,539.36 and 103,144,038.72

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Solution

The fourth proportional to 190,064,166.72, 262,288,539.36 and 103,144,038.72 is: 142,338,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,064,166.72 : 262,288,539.36 = 103,144,038.72 : x
  2. Step 2: Convert to fraction form
    190,064,166.72/262,288,539.36 = 103,144,038.72/x
  3. Step 3: Cross multiply
    190,064,166.72x = 262,288,539.36 × 103,144,038.72
  4. Step 4: Simplify right side
    190,064,166.72x = 27,053,499,259,560,084
  5. Step 5: Solve for x
    x = 27,053,499,259,560,084/190,064,166.72
  6. Step 6: Final answer
    x = 142,338,767.62

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1.5x scale

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.