Home / 142,600,826,156.06-196,793,859,510.61-78,373,827,022.44

Finding the Fourth Proportional to 142,600,826,156.06, 196,793,859,510.61 and 78,373,827,022.44

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Solution

The fourth proportional to 142,600,826,156.06, 196,793,859,510.61 and 78,373,827,022.44 is: 108,158,475,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,600,826,156.06 : 196,793,859,510.61 = 78,373,827,022.44 : x
  2. Step 2: Convert to fraction form
    142,600,826,156.06/196,793,859,510.61 = 78,373,827,022.44/x
  3. Step 3: Cross multiply
    142,600,826,156.06x = 196,793,859,510.61 × 78,373,827,022.44
  4. Step 4: Simplify right side
    142,600,826,156.06x = 15,423,487,904,362,314,858,496
  5. Step 5: Solve for x
    x = 15,423,487,904,362,314,858,496/142,600,826,156.06
  6. Step 6: Final answer
    x = 108,158,475,095.25

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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.