Home / 145,965,698.79-200,359,689.96-129,075,760.23

Finding the Fourth Proportional to 145,965,698.79, 200,359,689.96 and 129,075,760.23

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Solution

The fourth proportional to 145,965,698.79, 200,359,689.96 and 129,075,760.23 is: 177,175,730.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,965,698.79 : 200,359,689.96 = 129,075,760.23 : x
  2. Step 2: Convert to fraction form
    145,965,698.79/200,359,689.96 = 129,075,760.23/x
  3. Step 3: Cross multiply
    145,965,698.79x = 200,359,689.96 × 129,075,760.23
  4. Step 4: Simplify right side
    145,965,698.79x = 25,861,579,301,034,100
  5. Step 5: Solve for x
    x = 25,861,579,301,034,100/145,965,698.79
  6. Step 6: Final answer
    x = 177,175,730.43

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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.