Home / 177,618,349.07-245,100,878.52-103,273,635.20

Finding the Fourth Proportional to 177,618,349.07, 245,100,878.52 and 103,273,635.20

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Solution

The fourth proportional to 177,618,349.07, 245,100,878.52 and 103,273,635.20 is: 142,510,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,618,349.07 : 245,100,878.52 = 103,273,635.20 : x
  2. Step 2: Convert to fraction form
    177,618,349.07/245,100,878.52 = 103,273,635.20/x
  3. Step 3: Cross multiply
    177,618,349.07x = 245,100,878.52 × 103,273,635.20
  4. Step 4: Simplify right side
    177,618,349.07x = 25,312,458,715,821,528
  5. Step 5: Solve for x
    x = 25,312,458,715,821,528/177,618,349.07
  6. Step 6: Final answer
    x = 142,510,381.66

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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.