Home / 60,478,114.65-90,691,948.51-18,968,296.28

Finding the Fourth Proportional to 60,478,114.65, 90,691,948.51 and 18,968,296.28

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Solution

The fourth proportional to 60,478,114.65, 90,691,948.51 and 18,968,296.28 is: 28,444,533.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,478,114.65 : 90,691,948.51 = 18,968,296.28 : x
  2. Step 2: Convert to fraction form
    60,478,114.65/90,691,948.51 = 18,968,296.28/x
  3. Step 3: Cross multiply
    60,478,114.65x = 90,691,948.51 × 18,968,296.28
  4. Step 4: Simplify right side
    60,478,114.65x = 1,720,271,749,727,493.50
  5. Step 5: Solve for x
    x = 1,720,271,749,727,493.50/60,478,114.65
  6. Step 6: Final answer
    x = 28,444,533.36

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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.