Home / 124,058,500.72-171,197,918.08-77,674,349.68

Finding the Fourth Proportional to 124,058,500.72, 171,197,918.08 and 77,674,349.68

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Solution

The fourth proportional to 124,058,500.72, 171,197,918.08 and 77,674,349.68 is: 107,188,841.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,058,500.72 : 171,197,918.08 = 77,674,349.68 : x
  2. Step 2: Convert to fraction form
    124,058,500.72/171,197,918.08 = 77,674,349.68/x
  3. Step 3: Cross multiply
    124,058,500.72x = 171,197,918.08 × 77,674,349.68
  4. Step 4: Simplify right side
    124,058,500.72x = 13,297,686,953,433,916
  5. Step 5: Solve for x
    x = 13,297,686,953,433,916/124,058,500.72
  6. Step 6: Final answer
    x = 107,188,841.36

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1.5x scale

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.