Home / 55,627,851.74-76,766,312.05-30,847,426.16

Finding the Fourth Proportional to 55,627,851.74, 76,766,312.05 and 30,847,426.16

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Solution

The fourth proportional to 55,627,851.74, 76,766,312.05 and 30,847,426.16 is: 42,569,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,627,851.74 : 76,766,312.05 = 30,847,426.16 : x
  2. Step 2: Convert to fraction form
    55,627,851.74/76,766,312.05 = 30,847,426.16/x
  3. Step 3: Cross multiply
    55,627,851.74x = 76,766,312.05 × 30,847,426.16
  4. Step 4: Simplify right side
    55,627,851.74x = 2,368,043,142,076,943
  5. Step 5: Solve for x
    x = 2,368,043,142,076,943/55,627,851.74
  6. Step 6: Final answer
    x = 42,569,379.69

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Why These Related Problems?

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