Home / 236,423,430.60-354,635,145.90-213,465,179.40

Finding the Fourth Proportional to 236,423,430.60, 354,635,145.90 and 213,465,179.40

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Solution

The fourth proportional to 236,423,430.60, 354,635,145.90 and 213,465,179.40 is: 320,197,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,423,430.60 : 354,635,145.90 = 213,465,179.40 : x
  2. Step 2: Convert to fraction form
    236,423,430.60/354,635,145.90 = 213,465,179.40/x
  3. Step 3: Cross multiply
    236,423,430.60x = 354,635,145.90 × 213,465,179.40
  4. Step 4: Simplify right side
    236,423,430.60x = 75,702,255,041,088,672
  5. Step 5: Solve for x
    x = 75,702,255,041,088,672/236,423,430.60
  6. Step 6: Final answer
    x = 320,197,769.10

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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.