Home / 255,021,020.53-382,533,673.88-70,802,861.33

Finding the Fourth Proportional to 255,021,020.53, 382,533,673.88 and 70,802,861.33

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Solution

The fourth proportional to 255,021,020.53, 382,533,673.88 and 70,802,861.33 is: 106,204,886.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,021,020.53 : 382,533,673.88 = 70,802,861.33 : x
  2. Step 2: Convert to fraction form
    255,021,020.53/382,533,673.88 = 70,802,861.33/x
  3. Step 3: Cross multiply
    255,021,020.53x = 382,533,673.88 × 70,802,861.33
  4. Step 4: Simplify right side
    255,021,020.53x = 27,084,478,665,427,068
  5. Step 5: Solve for x
    x = 27,084,478,665,427,068/255,021,020.53
  6. Step 6: Final answer
    x = 106,204,886.99

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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.