Home / 113,051,279.18-156,044,597.02-66,021,038.84

Finding the Fourth Proportional to 113,051,279.18, 156,044,597.02 and 66,021,038.84

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Solution

The fourth proportional to 113,051,279.18, 156,044,597.02 and 66,021,038.84 is: 91,128,791.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,051,279.18 : 156,044,597.02 = 66,021,038.84 : x
  2. Step 2: Convert to fraction form
    113,051,279.18/156,044,597.02 = 66,021,038.84/x
  3. Step 3: Cross multiply
    113,051,279.18x = 156,044,597.02 × 66,021,038.84
  4. Step 4: Simplify right side
    113,051,279.18x = 10,302,226,400,629,570
  5. Step 5: Solve for x
    x = 10,302,226,400,629,570/113,051,279.18
  6. Step 6: Final answer
    x = 91,128,791.07

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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.