Home / 112,345,521.83-155,041,608.10-62,785,894.02

Finding the Fourth Proportional to 112,345,521.83, 155,041,608.10 and 62,785,894.02

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Solution

The fourth proportional to 112,345,521.83, 155,041,608.10 and 62,785,894.02 is: 86,647,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,345,521.83 : 155,041,608.10 = 62,785,894.02 : x
  2. Step 2: Convert to fraction form
    112,345,521.83/155,041,608.10 = 62,785,894.02/x
  3. Step 3: Cross multiply
    112,345,521.83x = 155,041,608.10 × 62,785,894.02
  4. Step 4: Simplify right side
    112,345,521.83x = 9,734,425,974,848,574
  5. Step 5: Solve for x
    x = 9,734,425,974,848,574/112,345,521.83
  6. Step 6: Final answer
    x = 86,647,209.58

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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.