Home / 152,042,654.81-209,992,074.04-103,065,052.25

Finding the Fourth Proportional to 152,042,654.81, 209,992,074.04 and 103,065,052.25

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Solution

The fourth proportional to 152,042,654.81, 209,992,074.04 and 103,065,052.25 is: 142,347,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,042,654.81 : 209,992,074.04 = 103,065,052.25 : x
  2. Step 2: Convert to fraction form
    152,042,654.81/209,992,074.04 = 103,065,052.25/x
  3. Step 3: Cross multiply
    152,042,654.81x = 209,992,074.04 × 103,065,052.25
  4. Step 4: Simplify right side
    152,042,654.81x = 21,642,844,083,672,280
  5. Step 5: Solve for x
    x = 21,642,844,083,672,280/152,042,654.81
  6. Step 6: Final answer
    x = 142,347,186.13

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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.