Home / 145,965,710.79-200,359,706.40-129,075,772.23

Finding the Fourth Proportional to 145,965,710.79, 200,359,706.40 and 129,075,772.23

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Solution

The fourth proportional to 145,965,710.79, 200,359,706.40 and 129,075,772.23 is: 177,175,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,965,710.79 : 200,359,706.40 = 129,075,772.23 : x
  2. Step 2: Convert to fraction form
    145,965,710.79/200,359,706.40 = 129,075,772.23/x
  3. Step 3: Cross multiply
    145,965,710.79x = 200,359,706.40 × 129,075,772.23
  4. Step 4: Simplify right side
    145,965,710.79x = 25,861,583,827,356,076
  5. Step 5: Solve for x
    x = 25,861,583,827,356,076/145,965,710.79
  6. Step 6: Final answer
    x = 177,175,746.87

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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.