Home / 213,364,911.18-294,490,945.40-129,715,267.32

Finding the Fourth Proportional to 213,364,911.18, 294,490,945.40 and 129,715,267.32

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Solution

The fourth proportional to 213,364,911.18, 294,490,945.40 and 129,715,267.32 is: 179,035,866.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,364,911.18 : 294,490,945.40 = 129,715,267.32 : x
  2. Step 2: Convert to fraction form
    213,364,911.18/294,490,945.40 = 129,715,267.32/x
  3. Step 3: Cross multiply
    213,364,911.18x = 294,490,945.40 × 129,715,267.32
  4. Step 4: Simplify right side
    213,364,911.18x = 38,199,971,705,880,520
  5. Step 5: Solve for x
    x = 38,199,971,705,880,520/213,364,911.18
  6. Step 6: Final answer
    x = 179,035,866.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.