Home / 290,927,703.35-401,488,734.23-158,777,181.21

Finding the Fourth Proportional to 290,927,703.35, 401,488,734.23 and 158,777,181.21

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Solution

The fourth proportional to 290,927,703.35, 401,488,734.23 and 158,777,181.21 is: 219,117,151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,927,703.35 : 401,488,734.23 = 158,777,181.21 : x
  2. Step 2: Convert to fraction form
    290,927,703.35/401,488,734.23 = 158,777,181.21/x
  3. Step 3: Cross multiply
    290,927,703.35x = 401,488,734.23 × 158,777,181.21
  4. Step 4: Simplify right side
    290,927,703.35x = 63,747,249,507,816,360
  5. Step 5: Solve for x
    x = 63,747,249,507,816,360/290,927,703.35
  6. Step 6: Final answer
    x = 219,117,151.01

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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.