Home / 85,249,867.57-117,644,595.97-47,572,636.47

Finding the Fourth Proportional to 85,249,867.57, 117,644,595.97 and 47,572,636.47

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Solution

The fourth proportional to 85,249,867.57, 117,644,595.97 and 47,572,636.47 is: 65,650,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,249,867.57 : 117,644,595.97 = 47,572,636.47 : x
  2. Step 2: Convert to fraction form
    85,249,867.57/117,644,595.97 = 47,572,636.47/x
  3. Step 3: Cross multiply
    85,249,867.57x = 117,644,595.97 × 47,572,636.47
  4. Step 4: Simplify right side
    85,249,867.57x = 5,596,663,597,095,785
  5. Step 5: Solve for x
    x = 5,596,663,597,095,785/85,249,867.57
  6. Step 6: Final answer
    x = 65,650,114.85

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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.