Home / 134,755,742.84-185,963,485.51-72,876,081.40

Finding the Fourth Proportional to 134,755,742.84, 185,963,485.51 and 72,876,081.40

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Solution

The fourth proportional to 134,755,742.84, 185,963,485.51 and 72,876,081.40 is: 100,569,295.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,755,742.84 : 185,963,485.51 = 72,876,081.40 : x
  2. Step 2: Convert to fraction form
    134,755,742.84/185,963,485.51 = 72,876,081.40/x
  3. Step 3: Cross multiply
    134,755,742.84x = 185,963,485.51 × 72,876,081.40
  4. Step 4: Simplify right side
    134,755,742.84x = 13,552,290,106,807,380
  5. Step 5: Solve for x
    x = 13,552,290,106,807,380/134,755,742.84
  6. Step 6: Final answer
    x = 100,569,295.39

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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.