Home / 78,701,740.71-108,608,547.11-43,896,674.54

Finding the Fourth Proportional to 78,701,740.71, 108,608,547.11 and 43,896,674.54

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Solution

The fourth proportional to 78,701,740.71, 108,608,547.11 and 43,896,674.54 is: 60,577,491.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,701,740.71 : 108,608,547.11 = 43,896,674.54 : x
  2. Step 2: Convert to fraction form
    78,701,740.71/108,608,547.11 = 43,896,674.54/x
  3. Step 3: Cross multiply
    78,701,740.71x = 108,608,547.11 × 43,896,674.54
  4. Step 4: Simplify right side
    78,701,740.71x = 4,767,554,043,987,401
  5. Step 5: Solve for x
    x = 4,767,554,043,987,401/78,701,740.71
  6. Step 6: Final answer
    x = 60,577,491.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.