Home / 116,905,392,473.76-161,329,441,566.96-63,441,364,991.76

Finding the Fourth Proportional to 116,905,392,473.76, 161,329,441,566.96 and 63,441,364,991.76

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Solution

The fourth proportional to 116,905,392,473.76, 161,329,441,566.96 and 63,441,364,991.76 is: 87,549,083,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,905,392,473.76 : 161,329,441,566.96 = 63,441,364,991.76 : x
  2. Step 2: Convert to fraction form
    116,905,392,473.76/161,329,441,566.96 = 63,441,364,991.76/x
  3. Step 3: Cross multiply
    116,905,392,473.76x = 161,329,441,566.96 × 63,441,364,991.76
  4. Step 4: Simplify right side
    116,905,392,473.76x = 10,234,959,986,366,326,243,328
  5. Step 5: Solve for x
    x = 10,234,959,986,366,326,243,328/116,905,392,473.76
  6. Step 6: Final answer
    x = 87,549,083,663.22

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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.