Home / 130,345,657.60-195,518,486.40-39,469,246.60

Finding the Fourth Proportional to 130,345,657.60, 195,518,486.40 and 39,469,246.60

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Solution

The fourth proportional to 130,345,657.60, 195,518,486.40 and 39,469,246.60 is: 59,203,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,345,657.60 : 195,518,486.40 = 39,469,246.60 : x
  2. Step 2: Convert to fraction form
    130,345,657.60/195,518,486.40 = 39,469,246.60/x
  3. Step 3: Cross multiply
    130,345,657.60x = 195,518,486.40 × 39,469,246.60
  4. Step 4: Simplify right side
    130,345,657.60x = 7,716,967,354,580,347
  5. Step 5: Solve for x
    x = 7,716,967,354,580,347/130,345,657.60
  6. Step 6: Final answer
    x = 59,203,869.90

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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.