Home / 96,710,661.40-145,065,992.10-87,782,452.60

Finding the Fourth Proportional to 96,710,661.40, 145,065,992.10 and 87,782,452.60

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Solution

The fourth proportional to 96,710,661.40, 145,065,992.10 and 87,782,452.60 is: 131,673,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,710,661.40 : 145,065,992.10 = 87,782,452.60 : x
  2. Step 2: Convert to fraction form
    96,710,661.40/145,065,992.10 = 87,782,452.60/x
  3. Step 3: Cross multiply
    96,710,661.40x = 145,065,992.10 × 87,782,452.60
  4. Step 4: Simplify right side
    96,710,661.40x = 12,734,248,575,390,224
  5. Step 5: Solve for x
    x = 12,734,248,575,390,224/96,710,661.40
  6. Step 6: Final answer
    x = 131,673,678.90

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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.