Home / 114,724,583.60-172,086,875.40-103,387,175.60

Finding the Fourth Proportional to 114,724,583.60, 172,086,875.40 and 103,387,175.60

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Solution

The fourth proportional to 114,724,583.60, 172,086,875.40 and 103,387,175.60 is: 155,080,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,724,583.60 : 172,086,875.40 = 103,387,175.60 : x
  2. Step 2: Convert to fraction form
    114,724,583.60/172,086,875.40 = 103,387,175.60/x
  3. Step 3: Cross multiply
    114,724,583.60x = 172,086,875.40 × 103,387,175.60
  4. Step 4: Simplify right side
    114,724,583.60x = 17,791,576,005,435,120
  5. Step 5: Solve for x
    x = 17,791,576,005,435,120/114,724,583.60
  6. Step 6: Final answer
    x = 155,080,763.40

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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.