Home / 289,471,782.65-433,851,940.63-133,815,038.82

Finding the Fourth Proportional to 289,471,782.65, 433,851,940.63 and 133,815,038.82

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Solution

The fourth proportional to 289,471,782.65, 433,851,940.63 and 133,815,038.82 is: 200,558,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,471,782.65 : 433,851,940.63 = 133,815,038.82 : x
  2. Step 2: Convert to fraction form
    289,471,782.65/433,851,940.63 = 133,815,038.82/x
  3. Step 3: Cross multiply
    289,471,782.65x = 433,851,940.63 × 133,815,038.82
  4. Step 4: Simplify right side
    289,471,782.65x = 58,055,914,276,074,768
  5. Step 5: Solve for x
    x = 58,055,914,276,074,768/289,471,782.65
  6. Step 6: Final answer
    x = 200,558,112.25

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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.