Home / 115,913,152.60-173,869,728.90-103,819,917.40

Finding the Fourth Proportional to 115,913,152.60, 173,869,728.90 and 103,819,917.40

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Solution

The fourth proportional to 115,913,152.60, 173,869,728.90 and 103,819,917.40 is: 155,729,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,913,152.60 : 173,869,728.90 = 103,819,917.40 : x
  2. Step 2: Convert to fraction form
    115,913,152.60/173,869,728.90 = 103,819,917.40/x
  3. Step 3: Cross multiply
    115,913,152.60x = 173,869,728.90 × 103,819,917.40
  4. Step 4: Simplify right side
    115,913,152.60x = 18,051,140,892,758,396
  5. Step 5: Solve for x
    x = 18,051,140,892,758,396/115,913,152.60
  6. Step 6: Final answer
    x = 155,729,876.10

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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.