Home / 121,030,847.60-180,602,285.84-107,987,346.32

Finding the Fourth Proportional to 121,030,847.60, 180,602,285.84 and 107,987,346.32

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Solution

The fourth proportional to 121,030,847.60, 180,602,285.84 and 107,987,346.32 is: 161,138,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,030,847.60 : 180,602,285.84 = 107,987,346.32 : x
  2. Step 2: Convert to fraction form
    121,030,847.60/180,602,285.84 = 107,987,346.32/x
  3. Step 3: Cross multiply
    121,030,847.60x = 180,602,285.84 × 107,987,346.32
  4. Step 4: Simplify right side
    121,030,847.60x = 19,502,761,587,187,712
  5. Step 5: Solve for x
    x = 19,502,761,587,187,712/121,030,847.60
  6. Step 6: Final answer
    x = 161,138,767.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.