Home / 141,562,480.12-195,362,283.54-78,838,577.74

Finding the Fourth Proportional to 141,562,480.12, 195,362,283.54 and 78,838,577.74

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Solution

The fourth proportional to 141,562,480.12, 195,362,283.54 and 78,838,577.74 is: 108,800,612.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,562,480.12 : 195,362,283.54 = 78,838,577.74 : x
  2. Step 2: Convert to fraction form
    141,562,480.12/195,362,283.54 = 78,838,577.74/x
  3. Step 3: Cross multiply
    141,562,480.12x = 195,362,283.54 × 78,838,577.74
  4. Step 4: Simplify right side
    141,562,480.12x = 15,402,084,578,332,210
  5. Step 5: Solve for x
    x = 15,402,084,578,332,210/141,562,480.12
  6. Step 6: Final answer
    x = 108,800,612.74

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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.