Home / 86,749,880.62-130,120,031.20-63,430,520.22

Finding the Fourth Proportional to 86,749,880.62, 130,120,031.20 and 63,430,520.22

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Solution

The fourth proportional to 86,749,880.62, 130,120,031.20 and 63,430,520.22 is: 95,142,278.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,749,880.62 : 130,120,031.20 = 63,430,520.22 : x
  2. Step 2: Convert to fraction form
    86,749,880.62/130,120,031.20 = 63,430,520.22/x
  3. Step 3: Cross multiply
    86,749,880.62x = 130,120,031.20 × 63,430,520.22
  4. Step 4: Simplify right side
    86,749,880.62x = 8,253,581,269,900,055
  5. Step 5: Solve for x
    x = 8,253,581,269,900,055/86,749,880.62
  6. Step 6: Final answer
    x = 95,142,278.14

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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.