Home / 150,122,070-207,167,056.92-84,931,974

Finding the Fourth Proportional to 150,122,070, 207,167,056.92 and 84,931,974

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Solution

The fourth proportional to 150,122,070, 207,167,056.92 and 84,931,974 is: 117,205,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,122,070 : 207,167,056.92 = 84,931,974 : x
  2. Step 2: Convert to fraction form
    150,122,070/207,167,056.92 = 84,931,974/x
  3. Step 3: Cross multiply
    150,122,070x = 207,167,056.92 × 84,931,974
  4. Step 4: Simplify right side
    150,122,070x = 17,595,107,091,985,958
  5. Step 5: Solve for x
    x = 17,595,107,091,985,958/150,122,070
  6. Step 6: Final answer
    x = 117,205,332.25

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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.