Home / 148,637,218.42-223,028,870.19-66,813,908.50

Finding the Fourth Proportional to 148,637,218.42, 223,028,870.19 and 66,813,908.50

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Solution

The fourth proportional to 148,637,218.42, 223,028,870.19 and 66,813,908.50 is: 100,253,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,637,218.42 : 223,028,870.19 = 66,813,908.50 : x
  2. Step 2: Convert to fraction form
    148,637,218.42/223,028,870.19 = 66,813,908.50/x
  3. Step 3: Cross multiply
    148,637,218.42x = 223,028,870.19 × 66,813,908.50
  4. Step 4: Simplify right side
    148,637,218.42x = 14,901,430,525,733,038
  5. Step 5: Solve for x
    x = 14,901,430,525,733,038/148,637,218.42
  6. Step 6: Final answer
    x = 100,253,696.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.