Home / 245,065,539.88-338,190,498.30-133,556,407.12

Finding the Fourth Proportional to 245,065,539.88, 338,190,498.30 and 133,556,407.12

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Solution

The fourth proportional to 245,065,539.88, 338,190,498.30 and 133,556,407.12 is: 184,307,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,065,539.88 : 338,190,498.30 = 133,556,407.12 : x
  2. Step 2: Convert to fraction form
    245,065,539.88/338,190,498.30 = 133,556,407.12/x
  3. Step 3: Cross multiply
    245,065,539.88x = 338,190,498.30 × 133,556,407.12
  4. Step 4: Simplify right side
    245,065,539.88x = 45,167,507,875,070,472
  5. Step 5: Solve for x
    x = 45,167,507,875,070,472/245,065,539.88
  6. Step 6: Final answer
    x = 184,307,870.85

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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.