Home / 196,151,155.20-294,289,718.40-86,934,124.80

Finding the Fourth Proportional to 196,151,155.20, 294,289,718.40 and 86,934,124.80

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Solution

The fourth proportional to 196,151,155.20, 294,289,718.40 and 86,934,124.80 is: 130,429,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,151,155.20 : 294,289,718.40 = 86,934,124.80 : x
  2. Step 2: Convert to fraction form
    196,151,155.20/294,289,718.40 = 86,934,124.80/x
  3. Step 3: Cross multiply
    196,151,155.20x = 294,289,718.40 × 86,934,124.80
  4. Step 4: Simplify right side
    196,151,155.20x = 25,583,819,106,742,452
  5. Step 5: Solve for x
    x = 25,583,819,106,742,452/196,151,155.20
  6. Step 6: Final answer
    x = 130,429,102.40

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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.