Home / 162,074,718.54-242,975,838.65-131,292,967.05

Finding the Fourth Proportional to 162,074,718.54, 242,975,838.65 and 131,292,967.05

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Solution

The fourth proportional to 162,074,718.54, 242,975,838.65 and 131,292,967.05 is: 196,829,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,074,718.54 : 242,975,838.65 = 131,292,967.05 : x
  2. Step 2: Convert to fraction form
    162,074,718.54/242,975,838.65 = 131,292,967.05/x
  3. Step 3: Cross multiply
    162,074,718.54x = 242,975,838.65 × 131,292,967.05
  4. Step 4: Simplify right side
    162,074,718.54x = 31,901,018,777,164,104
  5. Step 5: Solve for x
    x = 31,901,018,777,164,104/162,074,718.54
  6. Step 6: Final answer
    x = 196,829,086.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.