Home / 180,455,708.72-249,022,434.74-102,137,580.71

Finding the Fourth Proportional to 180,455,708.72, 249,022,434.74 and 102,137,580.71

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Solution

The fourth proportional to 180,455,708.72, 249,022,434.74 and 102,137,580.71 is: 140,946,214.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,455,708.72 : 249,022,434.74 = 102,137,580.71 : x
  2. Step 2: Convert to fraction form
    180,455,708.72/249,022,434.74 = 102,137,580.71/x
  3. Step 3: Cross multiply
    180,455,708.72x = 249,022,434.74 × 102,137,580.71
  4. Step 4: Simplify right side
    180,455,708.72x = 25,434,549,026,857,456
  5. Step 5: Solve for x
    x = 25,434,549,026,857,456/180,455,708.72
  6. Step 6: Final answer
    x = 140,946,214.49

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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.