Home / 70,207,625.20-105,311,437.80-53,201,513.20

Finding the Fourth Proportional to 70,207,625.20, 105,311,437.80 and 53,201,513.20

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Solution

The fourth proportional to 70,207,625.20, 105,311,437.80 and 53,201,513.20 is: 79,802,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,207,625.20 : 105,311,437.80 = 53,201,513.20 : x
  2. Step 2: Convert to fraction form
    70,207,625.20/105,311,437.80 = 53,201,513.20/x
  3. Step 3: Cross multiply
    70,207,625.20x = 105,311,437.80 × 53,201,513.20
  4. Step 4: Simplify right side
    70,207,625.20x = 5,602,727,848,227,679
  5. Step 5: Solve for x
    x = 5,602,727,848,227,679/70,207,625.20
  6. Step 6: Final answer
    x = 79,802,269.80

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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.