Home / 78,617,223.02-108,496,621.70-43,334,948.55

Finding the Fourth Proportional to 78,617,223.02, 108,496,621.70 and 43,334,948.55

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Solution

The fourth proportional to 78,617,223.02, 108,496,621.70 and 43,334,948.55 is: 59,804,904.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,617,223.02 : 108,496,621.70 = 43,334,948.55 : x
  2. Step 2: Convert to fraction form
    78,617,223.02/108,496,621.70 = 43,334,948.55/x
  3. Step 3: Cross multiply
    78,617,223.02x = 108,496,621.70 × 43,334,948.55
  4. Step 4: Simplify right side
    78,617,223.02x = 4,701,695,519,571,007
  5. Step 5: Solve for x
    x = 4,701,695,519,571,007/78,617,223.02
  6. Step 6: Final answer
    x = 59,804,904.56

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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.