Home / 286,130,308.20-429,256,479.60-163,367,437.20

Finding the Fourth Proportional to 286,130,308.20, 429,256,479.60 and 163,367,437.20

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Solution

The fourth proportional to 286,130,308.20, 429,256,479.60 and 163,367,437.20 is: 245,085,993.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,130,308.20 : 429,256,479.60 = 163,367,437.20 : x
  2. Step 2: Convert to fraction form
    286,130,308.20/429,256,479.60 = 163,367,437.20/x
  3. Step 3: Cross multiply
    286,130,308.20x = 429,256,479.60 × 163,367,437.20
  4. Step 4: Simplify right side
    286,130,308.20x = 70,126,530,973,746,080
  5. Step 5: Solve for x
    x = 70,126,530,973,746,080/286,130,308.20
  6. Step 6: Final answer
    x = 245,085,993.91

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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.