Home / 101,807,093.50-140,492,608.05-55,396,547.80

Finding the Fourth Proportional to 101,807,093.50, 140,492,608.05 and 55,396,547.80

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Solution

The fourth proportional to 101,807,093.50, 140,492,608.05 and 55,396,547.80 is: 76,446,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,807,093.50 : 140,492,608.05 = 55,396,547.80 : x
  2. Step 2: Convert to fraction form
    101,807,093.50/140,492,608.05 = 55,396,547.80/x
  3. Step 3: Cross multiply
    101,807,093.50x = 140,492,608.05 × 55,396,547.80
  4. Step 4: Simplify right side
    101,807,093.50x = 7,782,805,477,388,490
  5. Step 5: Solve for x
    x = 7,782,805,477,388,490/101,807,093.50
  6. Step 6: Final answer
    x = 76,446,593.35

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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.