Home / 139,711,392,004.30-209,567,088,006.45-55,823,642,730.70

Finding the Fourth Proportional to 139,711,392,004.30, 209,567,088,006.45 and 55,823,642,730.70

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Solution

The fourth proportional to 139,711,392,004.30, 209,567,088,006.45 and 55,823,642,730.70 is: 83,735,464,096.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,711,392,004.30 : 209,567,088,006.45 = 55,823,642,730.70 : x
  2. Step 2: Convert to fraction form
    139,711,392,004.30/209,567,088,006.45 = 55,823,642,730.70/x
  3. Step 3: Cross multiply
    139,711,392,004.30x = 209,567,088,006.45 × 55,823,642,730.70
  4. Step 4: Simplify right side
    139,711,392,004.30x = 11,698,798,248,985,230,311,424
  5. Step 5: Solve for x
    x = 11,698,798,248,985,230,311,424/139,711,392,004.30
  6. Step 6: Final answer
    x = 83,735,464,096.05

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1.5x scale

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.