Home / 70,333,299-105,490,371.47-18,513,561.96

Finding the Fourth Proportional to 70,333,299, 105,490,371.47 and 18,513,561.96

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Solution

The fourth proportional to 70,333,299, 105,490,371.47 and 18,513,561.96 is: 27,767,822.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,333,299 : 105,490,371.47 = 18,513,561.96 : x
  2. Step 2: Convert to fraction form
    70,333,299/105,490,371.47 = 18,513,561.96/x
  3. Step 3: Cross multiply
    70,333,299x = 105,490,371.47 × 18,513,561.96
  4. Step 4: Simplify right side
    70,333,299x = 1,953,002,528,300,693.75
  5. Step 5: Solve for x
    x = 1,953,002,528,300,693.75/70,333,299
  6. Step 6: Final answer
    x = 27,767,822.01

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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.