Home / 152,470,545.30-210,427,288.65-90,590,883.84

Finding the Fourth Proportional to 152,470,545.30, 210,427,288.65 and 90,590,883.84

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Solution

The fourth proportional to 152,470,545.30, 210,427,288.65 and 90,590,883.84 is: 125,026,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,470,545.30 : 210,427,288.65 = 90,590,883.84 : x
  2. Step 2: Convert to fraction form
    152,470,545.30/210,427,288.65 = 90,590,883.84/x
  3. Step 3: Cross multiply
    152,470,545.30x = 210,427,288.65 × 90,590,883.84
  4. Step 4: Simplify right side
    152,470,545.30x = 19,062,794,062,858,300
  5. Step 5: Solve for x
    x = 19,062,794,062,858,300/152,470,545.30
  6. Step 6: Final answer
    x = 125,026,076.51

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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.