Home / 92,263,123.80-138,300,207.30-53,904,893.40

Finding the Fourth Proportional to 92,263,123.80, 138,300,207.30 and 53,904,893.40

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Solution

The fourth proportional to 92,263,123.80, 138,300,207.30 and 53,904,893.40 is: 80,802,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,263,123.80 : 138,300,207.30 = 53,904,893.40 : x
  2. Step 2: Convert to fraction form
    92,263,123.80/138,300,207.30 = 53,904,893.40/x
  3. Step 3: Cross multiply
    92,263,123.80x = 138,300,207.30 × 53,904,893.40
  4. Step 4: Simplify right side
    92,263,123.80x = 7,455,057,931,704,402
  5. Step 5: Solve for x
    x = 7,455,057,931,704,402/92,263,123.80
  6. Step 6: Final answer
    x = 80,802,140.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.