Home / 148,810,728.08-205,359,602.64-81,834,004.23

Finding the Fourth Proportional to 148,810,728.08, 205,359,602.64 and 81,834,004.23

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Solution

The fourth proportional to 148,810,728.08, 205,359,602.64 and 81,834,004.23 is: 112,931,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,810,728.08 : 205,359,602.64 = 81,834,004.23 : x
  2. Step 2: Convert to fraction form
    148,810,728.08/205,359,602.64 = 81,834,004.23/x
  3. Step 3: Cross multiply
    148,810,728.08x = 205,359,602.64 × 81,834,004.23
  4. Step 4: Simplify right side
    148,810,728.08x = 16,805,398,591,112,878
  5. Step 5: Solve for x
    x = 16,805,398,591,112,878/148,810,728.08
  6. Step 6: Final answer
    x = 112,931,364.62

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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.