Home / 85,905,557.94-118,549,689.29-47,274,389.94

Finding the Fourth Proportional to 85,905,557.94, 118,549,689.29 and 47,274,389.94

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Solution

The fourth proportional to 85,905,557.94, 118,549,689.29 and 47,274,389.94 is: 65,238,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,905,557.94 : 118,549,689.29 = 47,274,389.94 : x
  2. Step 2: Convert to fraction form
    85,905,557.94/118,549,689.29 = 47,274,389.94/x
  3. Step 3: Cross multiply
    85,905,557.94x = 118,549,689.29 × 47,274,389.94
  4. Step 4: Simplify right side
    85,905,557.94x = 5,604,364,238,761,302
  5. Step 5: Solve for x
    x = 5,604,364,238,761,302/85,905,557.94
  6. Step 6: Final answer
    x = 65,238,668.76

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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.