Home / 133,139,320.29-183,732,511.67-74,401,985.72

Finding the Fourth Proportional to 133,139,320.29, 183,732,511.67 and 74,401,985.72

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Solution

The fourth proportional to 133,139,320.29, 183,732,511.67 and 74,401,985.72 is: 102,674,879.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,139,320.29 : 183,732,511.67 = 74,401,985.72 : x
  2. Step 2: Convert to fraction form
    133,139,320.29/183,732,511.67 = 74,401,985.72/x
  3. Step 3: Cross multiply
    133,139,320.29x = 183,732,511.67 × 74,401,985.72
  4. Step 4: Simplify right side
    133,139,320.29x = 13,670,063,708,280,400
  5. Step 5: Solve for x
    x = 13,670,063,708,280,400/133,139,320.29
  6. Step 6: Final answer
    x = 102,674,879.81

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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.