Home / 342,213,145.60-513,319,718.40-169,716,582.40

Finding the Fourth Proportional to 342,213,145.60, 513,319,718.40 and 169,716,582.40

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Solution

The fourth proportional to 342,213,145.60, 513,319,718.40 and 169,716,582.40 is: 254,574,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,213,145.60 : 513,319,718.40 = 169,716,582.40 : x
  2. Step 2: Convert to fraction form
    342,213,145.60/513,319,718.40 = 169,716,582.40/x
  3. Step 3: Cross multiply
    342,213,145.60x = 513,319,718.40 × 169,716,582.40
  4. Step 4: Simplify right side
    342,213,145.60x = 87,118,868,285,378,400
  5. Step 5: Solve for x
    x = 87,118,868,285,378,400/342,213,145.60
  6. Step 6: Final answer
    x = 254,574,873.60

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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.