Home / 113,051,285.70-156,044,606.01-66,021,045.34

Finding the Fourth Proportional to 113,051,285.70, 156,044,606.01 and 66,021,045.34

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Solution

The fourth proportional to 113,051,285.70, 156,044,606.01 and 66,021,045.34 is: 91,128,800.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,051,285.70 : 156,044,606.01 = 66,021,045.34 : x
  2. Step 2: Convert to fraction form
    113,051,285.70/156,044,606.01 = 66,021,045.34/x
  3. Step 3: Cross multiply
    113,051,285.70x = 156,044,606.01 × 66,021,045.34
  4. Step 4: Simplify right side
    113,051,285.70x = 10,302,228,008,448,646
  5. Step 5: Solve for x
    x = 10,302,228,008,448,646/113,051,285.70
  6. Step 6: Final answer
    x = 91,128,800.04

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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.