Home / 77,313,078.58-106,692,261.33-42,509,326.90

Finding the Fourth Proportional to 77,313,078.58, 106,692,261.33 and 42,509,326.90

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Solution

The fourth proportional to 77,313,078.58, 106,692,261.33 and 42,509,326.90 is: 58,662,988.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,313,078.58 : 106,692,261.33 = 42,509,326.90 : x
  2. Step 2: Convert to fraction form
    77,313,078.58/106,692,261.33 = 42,509,326.90/x
  3. Step 3: Cross multiply
    77,313,078.58x = 106,692,261.33 × 42,509,326.90
  4. Step 4: Simplify right side
    77,313,078.58x = 4,535,416,214,577,199
  5. Step 5: Solve for x
    x = 4,535,416,214,577,199/77,313,078.58
  6. Step 6: Final answer
    x = 58,662,988.18

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1.5x scale

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.