Home / 124,632,090.40-186,948,135.60-103,398,426.40

Finding the Fourth Proportional to 124,632,090.40, 186,948,135.60 and 103,398,426.40

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Solution

The fourth proportional to 124,632,090.40, 186,948,135.60 and 103,398,426.40 is: 155,097,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,632,090.40 : 186,948,135.60 = 103,398,426.40 : x
  2. Step 2: Convert to fraction form
    124,632,090.40/186,948,135.60 = 103,398,426.40/x
  3. Step 3: Cross multiply
    124,632,090.40x = 186,948,135.60 × 103,398,426.40
  4. Step 4: Simplify right side
    124,632,090.40x = 19,330,143,039,453,820
  5. Step 5: Solve for x
    x = 19,330,143,039,453,820/124,632,090.40
  6. Step 6: Final answer
    x = 155,097,639.60

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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.