Home / 369,820,377.36-510,352,395.91-200,275,931.21

Finding the Fourth Proportional to 369,820,377.36, 510,352,395.91 and 200,275,931.21

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Solution

The fourth proportional to 369,820,377.36, 510,352,395.91 and 200,275,931.21 is: 276,380,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,820,377.36 : 510,352,395.91 = 200,275,931.21 : x
  2. Step 2: Convert to fraction form
    369,820,377.36/510,352,395.91 = 200,275,931.21/x
  3. Step 3: Cross multiply
    369,820,377.36x = 510,352,395.91 × 200,275,931.21
  4. Step 4: Simplify right side
    369,820,377.36x = 102,211,301,334,991,232
  5. Step 5: Solve for x
    x = 102,211,301,334,991,232/369,820,377.36
  6. Step 6: Final answer
    x = 276,380,934.08

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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.