Home / 100,966,561.90-151,569,417.08-57,282,111.70

Finding the Fourth Proportional to 100,966,561.90, 151,569,417.08 and 57,282,111.70

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Solution

The fourth proportional to 100,966,561.90, 151,569,417.08 and 57,282,111.70 is: 85,991,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,966,561.90 : 151,569,417.08 = 57,282,111.70 : x
  2. Step 2: Convert to fraction form
    100,966,561.90/151,569,417.08 = 57,282,111.70/x
  3. Step 3: Cross multiply
    100,966,561.90x = 151,569,417.08 × 57,282,111.70
  4. Step 4: Simplify right side
    100,966,561.90x = 8,682,216,279,480,449
  5. Step 5: Solve for x
    x = 8,682,216,279,480,449/100,966,561.90
  6. Step 6: Final answer
    x = 85,991,006.49

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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.