Home / 116,640,658.80-174,960,988.20-86,407,570.80

Finding the Fourth Proportional to 116,640,658.80, 174,960,988.20 and 86,407,570.80

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Solution

The fourth proportional to 116,640,658.80, 174,960,988.20 and 86,407,570.80 is: 129,611,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,640,658.80 : 174,960,988.20 = 86,407,570.80 : x
  2. Step 2: Convert to fraction form
    116,640,658.80/174,960,988.20 = 86,407,570.80/x
  3. Step 3: Cross multiply
    116,640,658.80x = 174,960,988.20 × 86,407,570.80
  4. Step 4: Simplify right side
    116,640,658.80x = 15,117,953,975,129,464
  5. Step 5: Solve for x
    x = 15,117,953,975,129,464/116,640,658.80
  6. Step 6: Final answer
    x = 129,611,356.20

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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.