Home / 45,314,585.78-68,019,421.67-40,160,173.98

Finding the Fourth Proportional to 45,314,585.78, 68,019,421.67 and 40,160,173.98

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Solution

The fourth proportional to 45,314,585.78, 68,019,421.67 and 40,160,173.98 is: 60,282,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,314,585.78 : 68,019,421.67 = 40,160,173.98 : x
  2. Step 2: Convert to fraction form
    45,314,585.78/68,019,421.67 = 40,160,173.98/x
  3. Step 3: Cross multiply
    45,314,585.78x = 68,019,421.67 × 40,160,173.98
  4. Step 4: Simplify right side
    45,314,585.78x = 2,731,671,808,085,381.50
  5. Step 5: Solve for x
    x = 2,731,671,808,085,381.50/45,314,585.78
  6. Step 6: Final answer
    x = 60,282,396.08

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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.