Home / 145,690,488.96-218,559,450.24-68,045,038.08

Finding the Fourth Proportional to 145,690,488.96, 218,559,450.24 and 68,045,038.08

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Solution

The fourth proportional to 145,690,488.96, 218,559,450.24 and 68,045,038.08 is: 102,078,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,690,488.96 : 218,559,450.24 = 68,045,038.08 : x
  2. Step 2: Convert to fraction form
    145,690,488.96/218,559,450.24 = 68,045,038.08/x
  3. Step 3: Cross multiply
    145,690,488.96x = 218,559,450.24 × 68,045,038.08
  4. Step 4: Simplify right side
    145,690,488.96x = 14,871,886,114,324,666
  5. Step 5: Solve for x
    x = 14,871,886,114,324,666/145,690,488.96
  6. Step 6: Final answer
    x = 102,078,634.10

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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.