Home / 139,711,392,336.80-209,567,088,505.20-55,823,643,063.20

Finding the Fourth Proportional to 139,711,392,336.80, 209,567,088,505.20 and 55,823,643,063.20

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Solution

The fourth proportional to 139,711,392,336.80, 209,567,088,505.20 and 55,823,643,063.20 is: 83,735,464,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,711,392,336.80 : 209,567,088,505.20 = 55,823,643,063.20 : x
  2. Step 2: Convert to fraction form
    139,711,392,336.80/209,567,088,505.20 = 55,823,643,063.20/x
  3. Step 3: Cross multiply
    139,711,392,336.80x = 209,567,088,505.20 × 55,823,643,063.20
  4. Step 4: Simplify right side
    139,711,392,336.80x = 11,698,798,346,508,328,501,248
  5. Step 5: Solve for x
    x = 11,698,798,346,508,328,501,248/139,711,392,336.80
  6. Step 6: Final answer
    x = 83,735,464,594.80

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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.