Home / 107,919,444.65-161,852,200.99-42,353,899.07

Finding the Fourth Proportional to 107,919,444.65, 161,852,200.99 and 42,353,899.07

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Solution

The fourth proportional to 107,919,444.65, 161,852,200.99 and 42,353,899.07 is: 63,520,265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,919,444.65 : 161,852,200.99 = 42,353,899.07 : x
  2. Step 2: Convert to fraction form
    107,919,444.65/161,852,200.99 = 42,353,899.07/x
  3. Step 3: Cross multiply
    107,919,444.65x = 161,852,200.99 × 42,353,899.07
  4. Step 4: Simplify right side
    107,919,444.65x = 6,855,071,784,072,668
  5. Step 5: Solve for x
    x = 6,855,071,784,072,668/107,919,444.65
  6. Step 6: Final answer
    x = 63,520,265.57

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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.