Home / 149,602,822,870.45-206,452,094,653.80-81,014,354,372.03

Finding the Fourth Proportional to 149,602,822,870.45, 206,452,094,653.80 and 81,014,354,372.03

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Solution

The fourth proportional to 149,602,822,870.45, 206,452,094,653.80 and 81,014,354,372.03 is: 111,799,916,847.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,602,822,870.45 : 206,452,094,653.80 = 81,014,354,372.03 : x
  2. Step 2: Convert to fraction form
    149,602,822,870.45/206,452,094,653.80 = 81,014,354,372.03/x
  3. Step 3: Cross multiply
    149,602,822,870.45x = 206,452,094,653.80 × 81,014,354,372.03
  4. Step 4: Simplify right side
    149,602,822,870.45x = 16,725,583,157,130,833,166,336
  5. Step 5: Solve for x
    x = 16,725,583,157,130,833,166,336/149,602,822,870.45
  6. Step 6: Final answer
    x = 111,799,916,847.92

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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.