Home / 51,145,901,865.76-76,718,008,762.31-15,290,742,863.18

Finding the Fourth Proportional to 51,145,901,865.76, 76,718,008,762.31 and 15,290,742,863.18

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Solution

The fourth proportional to 51,145,901,865.76, 76,718,008,762.31 and 15,290,742,863.18 is: 22,935,861,958.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,145,901,865.76 : 76,718,008,762.31 = 15,290,742,863.18 : x
  2. Step 2: Convert to fraction form
    51,145,901,865.76/76,718,008,762.31 = 15,290,742,863.18/x
  3. Step 3: Cross multiply
    51,145,901,865.76x = 76,718,008,762.31 × 15,290,742,863.18
  4. Step 4: Simplify right side
    51,145,901,865.76x = 1,173,075,344,959,672,287,232
  5. Step 5: Solve for x
    x = 1,173,075,344,959,672,287,232/51,145,901,865.76
  6. Step 6: Final answer
    x = 22,935,861,958.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.