Home / 312,523,421.28-468,784,885.65-94,173,765.92

Finding the Fourth Proportional to 312,523,421.28, 468,784,885.65 and 94,173,765.92

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Solution

The fourth proportional to 312,523,421.28, 468,784,885.65 and 94,173,765.92 is: 141,260,574.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,523,421.28 : 468,784,885.65 = 94,173,765.92 : x
  2. Step 2: Convert to fraction form
    312,523,421.28/468,784,885.65 = 94,173,765.92/x
  3. Step 3: Cross multiply
    312,523,421.28x = 468,784,885.65 × 94,173,765.92
  4. Step 4: Simplify right side
    312,523,421.28x = 44,147,238,088,037,064
  5. Step 5: Solve for x
    x = 44,147,238,088,037,064/312,523,421.28
  6. Step 6: Final answer
    x = 141,260,574.67

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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.