Home / 189,486,065.40-284,229,098.10-186,935,148.60

Finding the Fourth Proportional to 189,486,065.40, 284,229,098.10 and 186,935,148.60

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Solution

The fourth proportional to 189,486,065.40, 284,229,098.10 and 186,935,148.60 is: 280,402,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,486,065.40 : 284,229,098.10 = 186,935,148.60 : x
  2. Step 2: Convert to fraction form
    189,486,065.40/284,229,098.10 = 186,935,148.60/x
  3. Step 3: Cross multiply
    189,486,065.40x = 284,229,098.10 × 186,935,148.60
  4. Step 4: Simplify right side
    189,486,065.40x = 53,132,408,689,767,480
  5. Step 5: Solve for x
    x = 53,132,408,689,767,480/189,486,065.40
  6. Step 6: Final answer
    x = 280,402,722.90

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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.