Home / 121,118,064.10-181,719,086.55-53,009,635.30

Finding the Fourth Proportional to 121,118,064.10, 181,719,086.55 and 53,009,635.30

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Solution

The fourth proportional to 121,118,064.10, 181,719,086.55 and 53,009,635.30 is: 79,532,830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,118,064.10 : 181,719,086.55 = 53,009,635.30 : x
  2. Step 2: Convert to fraction form
    121,118,064.10/181,719,086.55 = 53,009,635.30/x
  3. Step 3: Cross multiply
    121,118,064.10x = 181,719,086.55 × 53,009,635.30
  4. Step 4: Simplify right side
    121,118,064.10x = 9,632,862,505,064,636
  5. Step 5: Solve for x
    x = 9,632,862,505,064,636/121,118,064.10
  6. Step 6: Final answer
    x = 79,532,830.85

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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.