Home / 66,429,014.70-99,643,522.05-40,786,877.10

Finding the Fourth Proportional to 66,429,014.70, 99,643,522.05 and 40,786,877.10

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Solution

The fourth proportional to 66,429,014.70, 99,643,522.05 and 40,786,877.10 is: 61,180,315.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,014.70 : 99,643,522.05 = 40,786,877.10 : x
  2. Step 2: Convert to fraction form
    66,429,014.70/99,643,522.05 = 40,786,877.10/x
  3. Step 3: Cross multiply
    66,429,014.70x = 99,643,522.05 × 40,786,877.10
  4. Step 4: Simplify right side
    66,429,014.70x = 4,064,148,087,664,490
  5. Step 5: Solve for x
    x = 4,064,148,087,664,490/66,429,014.70
  6. Step 6: Final answer
    x = 61,180,315.65

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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.