Home / 113,051,287.95-156,044,609.12-66,021,047.59

Finding the Fourth Proportional to 113,051,287.95, 156,044,609.12 and 66,021,047.59

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Solution

The fourth proportional to 113,051,287.95, 156,044,609.12 and 66,021,047.59 is: 91,128,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,051,287.95 : 156,044,609.12 = 66,021,047.59 : x
  2. Step 2: Convert to fraction form
    113,051,287.95/156,044,609.12 = 66,021,047.59/x
  3. Step 3: Cross multiply
    113,051,287.95x = 156,044,609.12 × 66,021,047.59
  4. Step 4: Simplify right side
    113,051,287.95x = 10,302,228,564,874,468
  5. Step 5: Solve for x
    x = 10,302,228,564,874,468/113,051,287.95
  6. Step 6: Final answer
    x = 91,128,803.14

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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.