Home / 177,736,253.76-245,177,290.80-103,388,444.64

Finding the Fourth Proportional to 177,736,253.76, 245,177,290.80 and 103,388,444.64

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Solution

The fourth proportional to 177,736,253.76, 245,177,290.80 and 103,388,444.64 is: 142,618,617.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,736,253.76 : 245,177,290.80 = 103,388,444.64 : x
  2. Step 2: Convert to fraction form
    177,736,253.76/245,177,290.80 = 103,388,444.64/x
  3. Step 3: Cross multiply
    177,736,253.76x = 245,177,290.80 × 103,388,444.64
  4. Step 4: Simplify right side
    177,736,253.76x = 25,348,498,756,860,984
  5. Step 5: Solve for x
    x = 25,348,498,756,860,984/177,736,253.76
  6. Step 6: Final answer
    x = 142,618,617.31

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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.