Home / 99,665,038.70-149,497,558.05-97,985,422.70

Finding the Fourth Proportional to 99,665,038.70, 149,497,558.05 and 97,985,422.70

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Solution

The fourth proportional to 99,665,038.70, 149,497,558.05 and 97,985,422.70 is: 146,978,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,665,038.70 : 149,497,558.05 = 97,985,422.70 : x
  2. Step 2: Convert to fraction form
    99,665,038.70/149,497,558.05 = 97,985,422.70/x
  3. Step 3: Cross multiply
    99,665,038.70x = 149,497,558.05 × 97,985,422.70
  4. Step 4: Simplify right side
    99,665,038.70x = 14,648,581,418,147,040
  5. Step 5: Solve for x
    x = 14,648,581,418,147,040/99,665,038.70
  6. Step 6: Final answer
    x = 146,978,134.05

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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.