Home / 242,557,465.60-363,836,198.40-70,039,907.20

Finding the Fourth Proportional to 242,557,465.60, 363,836,198.40 and 70,039,907.20

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Solution

The fourth proportional to 242,557,465.60, 363,836,198.40 and 70,039,907.20 is: 105,059,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,557,465.60 : 363,836,198.40 = 70,039,907.20 : x
  2. Step 2: Convert to fraction form
    242,557,465.60/363,836,198.40 = 70,039,907.20/x
  3. Step 3: Cross multiply
    242,557,465.60x = 363,836,198.40 × 70,039,907.20
  4. Step 4: Simplify right side
    242,557,465.60x = 25,483,053,571,936,788
  5. Step 5: Solve for x
    x = 25,483,053,571,936,788/242,557,465.60
  6. Step 6: Final answer
    x = 105,059,860.80

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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.