Home / 215,803,487.93-297,796,585.82-121,712,011.11

Finding the Fourth Proportional to 215,803,487.93, 297,796,585.82 and 121,712,011.11

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Solution

The fourth proportional to 215,803,487.93, 297,796,585.82 and 121,712,011.11 is: 167,955,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,803,487.93 : 297,796,585.82 = 121,712,011.11 : x
  2. Step 2: Convert to fraction form
    215,803,487.93/297,796,585.82 = 121,712,011.11/x
  3. Step 3: Cross multiply
    215,803,487.93x = 297,796,585.82 × 121,712,011.11
  4. Step 4: Simplify right side
    215,803,487.93x = 36,245,421,361,843,904
  5. Step 5: Solve for x
    x = 36,245,421,361,843,904/215,803,487.93
  6. Step 6: Final answer
    x = 167,955,679.07

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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.