Home / 156,531,672.94-216,030,974.52-89,556,853.72

Finding the Fourth Proportional to 156,531,672.94, 216,030,974.52 and 89,556,853.72

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Solution

The fourth proportional to 156,531,672.94, 216,030,974.52 and 89,556,853.72 is: 123,598,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,531,672.94 : 216,030,974.52 = 89,556,853.72 : x
  2. Step 2: Convert to fraction form
    156,531,672.94/216,030,974.52 = 89,556,853.72/x
  3. Step 3: Cross multiply
    156,531,672.94x = 216,030,974.52 × 89,556,853.72
  4. Step 4: Simplify right side
    156,531,672.94x = 19,347,054,384,076,688
  5. Step 5: Solve for x
    x = 19,347,054,384,076,688/156,531,672.94
  6. Step 6: Final answer
    x = 123,598,336.49

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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.