Home / 124,499,044.80-171,823,254.16-103,554,125.12

Finding the Fourth Proportional to 124,499,044.80, 171,823,254.16 and 103,554,125.12

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Solution

The fourth proportional to 124,499,044.80, 171,823,254.16 and 103,554,125.12 is: 142,916,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,499,044.80 : 171,823,254.16 = 103,554,125.12 : x
  2. Step 2: Convert to fraction form
    124,499,044.80/171,823,254.16 = 103,554,125.12/x
  3. Step 3: Cross multiply
    124,499,044.80x = 171,823,254.16 × 103,554,125.12
  4. Step 4: Simplify right side
    124,499,044.80x = 17,793,006,759,810,200
  5. Step 5: Solve for x
    x = 17,793,006,759,810,200/124,499,044.80
  6. Step 6: Final answer
    x = 142,916,813.45

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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.