Home / 145,634,835.63-200,982,182.00-83,755,223.67

Finding the Fourth Proportional to 145,634,835.63, 200,982,182.00 and 83,755,223.67

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Solution

The fourth proportional to 145,634,835.63, 200,982,182.00 and 83,755,223.67 is: 115,585,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,634,835.63 : 200,982,182.00 = 83,755,223.67 : x
  2. Step 2: Convert to fraction form
    145,634,835.63/200,982,182.00 = 83,755,223.67/x
  3. Step 3: Cross multiply
    145,634,835.63x = 200,982,182.00 × 83,755,223.67
  4. Step 4: Simplify right side
    145,634,835.63x = 16,833,307,606,675,872
  5. Step 5: Solve for x
    x = 16,833,307,606,675,872/145,634,835.63
  6. Step 6: Final answer
    x = 115,585,721.88

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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.