Home / 240,768,043.20-361,152,064.80-206,130,628.80

Finding the Fourth Proportional to 240,768,043.20, 361,152,064.80 and 206,130,628.80

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Solution

The fourth proportional to 240,768,043.20, 361,152,064.80 and 206,130,628.80 is: 309,195,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,768,043.20 : 361,152,064.80 = 206,130,628.80 : x
  2. Step 2: Convert to fraction form
    240,768,043.20/361,152,064.80 = 206,130,628.80/x
  3. Step 3: Cross multiply
    240,768,043.20x = 361,152,064.80 × 206,130,628.80
  4. Step 4: Simplify right side
    240,768,043.20x = 74,444,502,209,642,352
  5. Step 5: Solve for x
    x = 74,444,502,209,642,352/240,768,043.20
  6. Step 6: Final answer
    x = 309,195,943.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.