Home / 123,320,155.16-170,160,184.41-70,372,688.33

Finding the Fourth Proportional to 123,320,155.16, 170,160,184.41 and 70,372,688.33

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Solution

The fourth proportional to 123,320,155.16, 170,160,184.41 and 70,372,688.33 is: 97,101,966.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,320,155.16 : 170,160,184.41 = 70,372,688.33 : x
  2. Step 2: Convert to fraction form
    123,320,155.16/170,160,184.41 = 70,372,688.33/x
  3. Step 3: Cross multiply
    123,320,155.16x = 170,160,184.41 × 70,372,688.33
  4. Step 4: Simplify right side
    123,320,155.16x = 11,974,629,622,809,454
  5. Step 5: Solve for x
    x = 11,974,629,622,809,454/123,320,155.16
  6. Step 6: Final answer
    x = 97,101,966.89

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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.