Home / 81,267,174,741.40-121,916,460,516.28-30,898,692,263.42

Finding the Fourth Proportional to 81,267,174,741.40, 121,916,460,516.28 and 30,898,692,263.42

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Solution

The fourth proportional to 81,267,174,741.40, 121,916,460,516.28 and 30,898,692,263.42 is: 46,354,007,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,267,174,741.40 : 121,916,460,516.28 = 30,898,692,263.42 : x
  2. Step 2: Convert to fraction form
    81,267,174,741.40/121,916,460,516.28 = 30,898,692,263.42/x
  3. Step 3: Cross multiply
    81,267,174,741.40x = 121,916,460,516.28 × 30,898,692,263.42
  4. Step 4: Simplify right side
    81,267,174,741.40x = 3,767,059,195,337,686,646,784
  5. Step 5: Solve for x
    x = 3,767,059,195,337,686,646,784/81,267,174,741.40
  6. Step 6: Final answer
    x = 46,354,007,104.65

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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.