Home / 125,345,563.48-172,993,771.74-70,344,438.04

Finding the Fourth Proportional to 125,345,563.48, 172,993,771.74 and 70,344,438.04

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Solution

The fourth proportional to 125,345,563.48, 172,993,771.74 and 70,344,438.04 is: 97,084,805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,345,563.48 : 172,993,771.74 = 70,344,438.04 : x
  2. Step 2: Convert to fraction form
    125,345,563.48/172,993,771.74 = 70,344,438.04/x
  3. Step 3: Cross multiply
    125,345,563.48x = 172,993,771.74 × 70,344,438.04
  4. Step 4: Simplify right side
    125,345,563.48x = 12,169,149,657,470,334
  5. Step 5: Solve for x
    x = 12,169,149,657,470,334/125,345,563.48
  6. Step 6: Final answer
    x = 97,084,805.55

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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.