Home / 289,631,415.60-434,447,123.40-107,840,977.20

Finding the Fourth Proportional to 289,631,415.60, 434,447,123.40 and 107,840,977.20

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Solution

The fourth proportional to 289,631,415.60, 434,447,123.40 and 107,840,977.20 is: 161,761,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,631,415.60 : 434,447,123.40 = 107,840,977.20 : x
  2. Step 2: Convert to fraction form
    289,631,415.60/434,447,123.40 = 107,840,977.20/x
  3. Step 3: Cross multiply
    289,631,415.60x = 434,447,123.40 × 107,840,977.20
  4. Step 4: Simplify right side
    289,631,415.60x = 46,851,202,329,184,984
  5. Step 5: Solve for x
    x = 46,851,202,329,184,984/289,631,415.60
  6. Step 6: Final answer
    x = 161,761,465.80

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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.