Home / 215,262,182.94-297,071,471.55-121,208,673.30

Finding the Fourth Proportional to 215,262,182.94, 297,071,471.55 and 121,208,673.30

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Solution

The fourth proportional to 215,262,182.94, 297,071,471.55 and 121,208,673.30 is: 167,273,407.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,262,182.94 : 297,071,471.55 = 121,208,673.30 : x
  2. Step 2: Convert to fraction form
    215,262,182.94/297,071,471.55 = 121,208,673.30/x
  3. Step 3: Cross multiply
    215,262,182.94x = 297,071,471.55 × 121,208,673.30
  4. Step 4: Simplify right side
    215,262,182.94x = 36,007,638,941,854,196
  5. Step 5: Solve for x
    x = 36,007,638,941,854,196/215,262,182.94
  6. Step 6: Final answer
    x = 167,273,407.94

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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.