Home / 64,743,514.80-97,115,272.20-57,689,127.60

Finding the Fourth Proportional to 64,743,514.80, 97,115,272.20 and 57,689,127.60

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Solution

The fourth proportional to 64,743,514.80, 97,115,272.20 and 57,689,127.60 is: 86,533,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,743,514.80 : 97,115,272.20 = 57,689,127.60 : x
  2. Step 2: Convert to fraction form
    64,743,514.80/97,115,272.20 = 57,689,127.60/x
  3. Step 3: Cross multiply
    64,743,514.80x = 97,115,272.20 × 57,689,127.60
  4. Step 4: Simplify right side
    64,743,514.80x = 5,602,495,329,854,533
  5. Step 5: Solve for x
    x = 5,602,495,329,854,533/64,743,514.80
  6. Step 6: Final answer
    x = 86,533,691.40

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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.