Home / 147,055,503.60-220,158,102.60-142,803,975.60

Finding the Fourth Proportional to 147,055,503.60, 220,158,102.60 and 142,803,975.60

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Solution

The fourth proportional to 147,055,503.60, 220,158,102.60 and 142,803,975.60 is: 213,793,102.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,055,503.60 : 220,158,102.60 = 142,803,975.60 : x
  2. Step 2: Convert to fraction form
    147,055,503.60/220,158,102.60 = 142,803,975.60/x
  3. Step 3: Cross multiply
    147,055,503.60x = 220,158,102.60 × 142,803,975.60
  4. Step 4: Simplify right side
    147,055,503.60x = 31,439,452,311,832,696
  5. Step 5: Solve for x
    x = 31,439,452,311,832,696/147,055,503.60
  6. Step 6: Final answer
    x = 213,793,102.21

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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.