Home / 115,924,985.20-173,887,477.80-70,575,353.20

Finding the Fourth Proportional to 115,924,985.20, 173,887,477.80 and 70,575,353.20

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Solution

The fourth proportional to 115,924,985.20, 173,887,477.80 and 70,575,353.20 is: 105,863,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,924,985.20 : 173,887,477.80 = 70,575,353.20 : x
  2. Step 2: Convert to fraction form
    115,924,985.20/173,887,477.80 = 70,575,353.20/x
  3. Step 3: Cross multiply
    115,924,985.20x = 173,887,477.80 × 70,575,353.20
  4. Step 4: Simplify right side
    115,924,985.20x = 12,272,170,162,792,160
  5. Step 5: Solve for x
    x = 12,272,170,162,792,160/115,924,985.20
  6. Step 6: Final answer
    x = 105,863,029.80

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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.