Home / 212,113,566.92-318,170,528.97-101,423,193.50

Finding the Fourth Proportional to 212,113,566.92, 318,170,528.97 and 101,423,193.50

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Solution

The fourth proportional to 212,113,566.92, 318,170,528.97 and 101,423,193.50 is: 152,134,875.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,113,566.92 : 318,170,528.97 = 101,423,193.50 : x
  2. Step 2: Convert to fraction form
    212,113,566.92/318,170,528.97 = 101,423,193.50/x
  3. Step 3: Cross multiply
    212,113,566.92x = 318,170,528.97 × 101,423,193.50
  4. Step 4: Simplify right side
    212,113,566.92x = 32,269,871,125,721,668
  5. Step 5: Solve for x
    x = 32,269,871,125,721,668/212,113,566.92
  6. Step 6: Final answer
    x = 152,134,875.64

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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.