Home / 253,525,421.88-380,429,433-136,938,425.04

Finding the Fourth Proportional to 253,525,421.88, 380,429,433 and 136,938,425.04

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Solution

The fourth proportional to 253,525,421.88, 380,429,433 and 136,938,425.04 is: 205,483,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,525,421.88 : 380,429,433 = 136,938,425.04 : x
  2. Step 2: Convert to fraction form
    253,525,421.88/380,429,433 = 136,938,425.04/x
  3. Step 3: Cross multiply
    253,525,421.88x = 380,429,433 × 136,938,425.04
  4. Step 4: Simplify right side
    253,525,421.88x = 52,095,407,393,880,200
  5. Step 5: Solve for x
    x = 52,095,407,393,880,200/253,525,421.88
  6. Step 6: Final answer
    x = 205,483,959.00

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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.