Home / 115,909,389.60-173,864,084.40-103,816,154.40

Finding the Fourth Proportional to 115,909,389.60, 173,864,084.40 and 103,816,154.40

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Solution

The fourth proportional to 115,909,389.60, 173,864,084.40 and 103,816,154.40 is: 155,724,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,909,389.60 : 173,864,084.40 = 103,816,154.40 : x
  2. Step 2: Convert to fraction form
    115,909,389.60/173,864,084.40 = 103,816,154.40/x
  3. Step 3: Cross multiply
    115,909,389.60x = 173,864,084.40 × 103,816,154.40
  4. Step 4: Simplify right side
    115,909,389.60x = 18,049,900,630,685,032
  5. Step 5: Solve for x
    x = 18,049,900,630,685,032/115,909,389.60
  6. Step 6: Final answer
    x = 155,724,231.60

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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.