Home / 70,561,897.92-105,688,532.16-50,029,379.64

Finding the Fourth Proportional to 70,561,897.92, 105,688,532.16 and 50,029,379.64

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Solution

The fourth proportional to 70,561,897.92, 105,688,532.16 and 50,029,379.64 is: 74,934,658.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,561,897.92 : 105,688,532.16 = 50,029,379.64 : x
  2. Step 2: Convert to fraction form
    70,561,897.92/105,688,532.16 = 50,029,379.64/x
  3. Step 3: Cross multiply
    70,561,897.92x = 105,688,532.16 × 50,029,379.64
  4. Step 4: Simplify right side
    70,561,897.92x = 5,287,531,699,026,989
  5. Step 5: Solve for x
    x = 5,287,531,699,026,989/70,561,897.92
  6. Step 6: Final answer
    x = 74,934,658.15

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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.