Home / 86,270,168.88-129,406,397.40-28,762,458.52

Finding the Fourth Proportional to 86,270,168.88, 129,406,397.40 and 28,762,458.52

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Solution

The fourth proportional to 86,270,168.88, 129,406,397.40 and 28,762,458.52 is: 43,144,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,270,168.88 : 129,406,397.40 = 28,762,458.52 : x
  2. Step 2: Convert to fraction form
    86,270,168.88/129,406,397.40 = 28,762,458.52/x
  3. Step 3: Cross multiply
    86,270,168.88x = 129,406,397.40 × 28,762,458.52
  4. Step 4: Simplify right side
    86,270,168.88x = 3,722,046,137,440,136
  5. Step 5: Solve for x
    x = 3,722,046,137,440,136/86,270,168.88
  6. Step 6: Final answer
    x = 43,144,069.22

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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.