Home / 96,772,811.60-145,159,217.40-86,919,064.40

Finding the Fourth Proportional to 96,772,811.60, 145,159,217.40 and 86,919,064.40

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Solution

The fourth proportional to 96,772,811.60, 145,159,217.40 and 86,919,064.40 is: 130,378,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,772,811.60 : 145,159,217.40 = 86,919,064.40 : x
  2. Step 2: Convert to fraction form
    96,772,811.60/145,159,217.40 = 86,919,064.40/x
  3. Step 3: Cross multiply
    96,772,811.60x = 145,159,217.40 × 86,919,064.40
  4. Step 4: Simplify right side
    96,772,811.60x = 12,617,103,365,444,202
  5. Step 5: Solve for x
    x = 12,617,103,365,444,202/96,772,811.60
  6. Step 6: Final answer
    x = 130,378,596.60

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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.