Home / 145,965,711.79-200,359,707.77-129,075,773.23

Finding the Fourth Proportional to 145,965,711.79, 200,359,707.77 and 129,075,773.23

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Solution

The fourth proportional to 145,965,711.79, 200,359,707.77 and 129,075,773.23 is: 177,175,748.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,965,711.79 : 200,359,707.77 = 129,075,773.23 : x
  2. Step 2: Convert to fraction form
    145,965,711.79/200,359,707.77 = 129,075,773.23/x
  3. Step 3: Cross multiply
    145,965,711.79x = 200,359,707.77 × 129,075,773.23
  4. Step 4: Simplify right side
    145,965,711.79x = 25,861,584,204,549,592
  5. Step 5: Solve for x
    x = 25,861,584,204,549,592/145,965,711.79
  6. Step 6: Final answer
    x = 177,175,748.25

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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.