Home / 215,702,419.80-323,553,629.70-179,830,152.30

Finding the Fourth Proportional to 215,702,419.80, 323,553,629.70 and 179,830,152.30

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Solution

The fourth proportional to 215,702,419.80, 323,553,629.70 and 179,830,152.30 is: 269,745,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,702,419.80 : 323,553,629.70 = 179,830,152.30 : x
  2. Step 2: Convert to fraction form
    215,702,419.80/323,553,629.70 = 179,830,152.30/x
  3. Step 3: Cross multiply
    215,702,419.80x = 323,553,629.70 × 179,830,152.30
  4. Step 4: Simplify right side
    215,702,419.80x = 58,184,698,506,168,808
  5. Step 5: Solve for x
    x = 58,184,698,506,168,808/215,702,419.80
  6. Step 6: Final answer
    x = 269,745,228.45

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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.