Home / 145,965,713.79-200,359,710.51-129,075,775.23

Finding the Fourth Proportional to 145,965,713.79, 200,359,710.51 and 129,075,775.23

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Solution

The fourth proportional to 145,965,713.79, 200,359,710.51 and 129,075,775.23 is: 177,175,750.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,965,713.79 : 200,359,710.51 = 129,075,775.23 : x
  2. Step 2: Convert to fraction form
    145,965,713.79/200,359,710.51 = 129,075,775.23/x
  3. Step 3: Cross multiply
    145,965,713.79x = 200,359,710.51 × 129,075,775.23
  4. Step 4: Simplify right side
    145,965,713.79x = 25,861,584,958,936,628
  5. Step 5: Solve for x
    x = 25,861,584,958,936,628/145,965,713.79
  6. Step 6: Final answer
    x = 177,175,750.99

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.