Home / 152,119,408.80-209,929,536.24-86,038,614

Finding the Fourth Proportional to 152,119,408.80, 209,929,536.24 and 86,038,614

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Solution

The fourth proportional to 152,119,408.80, 209,929,536.24 and 86,038,614 is: 118,735,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,119,408.80 : 209,929,536.24 = 86,038,614 : x
  2. Step 2: Convert to fraction form
    152,119,408.80/209,929,536.24 = 86,038,614/x
  3. Step 3: Cross multiply
    152,119,408.80x = 209,929,536.24 × 86,038,614
  4. Step 4: Simplify right side
    152,119,408.80x = 18,062,046,335,752,372
  5. Step 5: Solve for x
    x = 18,062,046,335,752,372/152,119,408.80
  6. Step 6: Final answer
    x = 118,735,975.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.