Home / 85,775,187.40-118,370,672.92-46,616,966.98

Finding the Fourth Proportional to 85,775,187.40, 118,370,672.92 and 46,616,966.98

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Solution

The fourth proportional to 85,775,187.40, 118,370,672.92 and 46,616,966.98 is: 64,331,911.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,775,187.40 : 118,370,672.92 = 46,616,966.98 : x
  2. Step 2: Convert to fraction form
    85,775,187.40/118,370,672.92 = 46,616,966.98/x
  3. Step 3: Cross multiply
    85,775,187.40x = 118,370,672.92 × 46,616,966.98
  4. Step 4: Simplify right side
    85,775,187.40x = 5,518,081,750,912,020
  5. Step 5: Solve for x
    x = 5,518,081,750,912,020/85,775,187.40
  6. Step 6: Final answer
    x = 64,331,911.34

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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.