Home / 162,336,598.28-243,588,615.84-76,083,767.72

Finding the Fourth Proportional to 162,336,598.28, 243,588,615.84 and 76,083,767.72

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Solution

The fourth proportional to 162,336,598.28, 243,588,615.84 and 76,083,767.72 is: 114,164,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,336,598.28 : 243,588,615.84 = 76,083,767.72 : x
  2. Step 2: Convert to fraction form
    162,336,598.28/243,588,615.84 = 76,083,767.72/x
  3. Step 3: Cross multiply
    162,336,598.28x = 243,588,615.84 × 76,083,767.72
  4. Step 4: Simplify right side
    162,336,598.28x = 18,533,139,666,806,872
  5. Step 5: Solve for x
    x = 18,533,139,666,806,872/162,336,598.28
  6. Step 6: Final answer
    x = 114,164,888.65

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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.