Home / 133,058,733.60-199,588,100.40-64,945,120.80

Finding the Fourth Proportional to 133,058,733.60, 199,588,100.40 and 64,945,120.80

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Solution

The fourth proportional to 133,058,733.60, 199,588,100.40 and 64,945,120.80 is: 97,417,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,058,733.60 : 199,588,100.40 = 64,945,120.80 : x
  2. Step 2: Convert to fraction form
    133,058,733.60/199,588,100.40 = 64,945,120.80/x
  3. Step 3: Cross multiply
    133,058,733.60x = 199,588,100.40 × 64,945,120.80
  4. Step 4: Simplify right side
    133,058,733.60x = 12,962,273,290,720,528
  5. Step 5: Solve for x
    x = 12,962,273,290,720,528/133,058,733.60
  6. Step 6: Final answer
    x = 97,417,681.20

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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.