Home / 251,019,026.40-376,528,539.60-210,842,086.80

Finding the Fourth Proportional to 251,019,026.40, 376,528,539.60 and 210,842,086.80

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Solution

The fourth proportional to 251,019,026.40, 376,528,539.60 and 210,842,086.80 is: 316,263,130.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,019,026.40 : 376,528,539.60 = 210,842,086.80 : x
  2. Step 2: Convert to fraction form
    251,019,026.40/376,528,539.60 = 210,842,086.80/x
  3. Step 3: Cross multiply
    251,019,026.40x = 376,528,539.60 × 210,842,086.80
  4. Step 4: Simplify right side
    251,019,026.40x = 79,388,063,029,020,448
  5. Step 5: Solve for x
    x = 79,388,063,029,020,448/251,019,026.40
  6. Step 6: Final answer
    x = 316,263,130.20

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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.