Home / 202,286,461.55-279,155,317.93-109,466,970.30

Finding the Fourth Proportional to 202,286,461.55, 279,155,317.93 and 109,466,970.30

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Solution

The fourth proportional to 202,286,461.55, 279,155,317.93 and 109,466,970.30 is: 151,064,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,286,461.55 : 279,155,317.93 = 109,466,970.30 : x
  2. Step 2: Convert to fraction form
    202,286,461.55/279,155,317.93 = 109,466,970.30/x
  3. Step 3: Cross multiply
    202,286,461.55x = 279,155,317.93 × 109,466,970.30
  4. Step 4: Simplify right side
    202,286,461.55x = 30,558,286,896,656,700
  5. Step 5: Solve for x
    x = 30,558,286,896,656,700/202,286,461.55
  6. Step 6: Final answer
    x = 151,064,419.55

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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.