Home / 137,076,275.38-189,164,148.96-74,352,216.66

Finding the Fourth Proportional to 137,076,275.38, 189,164,148.96 and 74,352,216.66

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Solution

The fourth proportional to 137,076,275.38, 189,164,148.96 and 74,352,216.66 is: 102,605,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,076,275.38 : 189,164,148.96 = 74,352,216.66 : x
  2. Step 2: Convert to fraction form
    137,076,275.38/189,164,148.96 = 74,352,216.66/x
  3. Step 3: Cross multiply
    137,076,275.38x = 189,164,148.96 × 74,352,216.66
  4. Step 4: Simplify right side
    137,076,275.38x = 14,064,773,787,778,434
  5. Step 5: Solve for x
    x = 14,064,773,787,778,434/137,076,275.38
  6. Step 6: Final answer
    x = 102,605,456.33

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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.