Home / 338,112,087.40-507,357,087.90-143,990,468.20

Finding the Fourth Proportional to 338,112,087.40, 507,357,087.90 and 143,990,468.20

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Solution

The fourth proportional to 338,112,087.40, 507,357,087.90 and 143,990,468.20 is: 216,066,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,112,087.40 : 507,357,087.90 = 143,990,468.20 : x
  2. Step 2: Convert to fraction form
    338,112,087.40/507,357,087.90 = 143,990,468.20/x
  3. Step 3: Cross multiply
    338,112,087.40x = 507,357,087.90 × 143,990,468.20
  4. Step 4: Simplify right side
    338,112,087.40x = 73,054,584,631,309,552
  5. Step 5: Solve for x
    x = 73,054,584,631,309,552/338,112,087.40
  6. Step 6: Final answer
    x = 216,066,172.59

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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.