Home / 66,688,767.24-100,019,154-18,808,513.80

Finding the Fourth Proportional to 66,688,767.24, 100,019,154 and 18,808,513.80

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Solution

The fourth proportional to 66,688,767.24, 100,019,154 and 18,808,513.80 is: 28,208,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,688,767.24 : 100,019,154 = 18,808,513.80 : x
  2. Step 2: Convert to fraction form
    66,688,767.24/100,019,154 = 18,808,513.80/x
  3. Step 3: Cross multiply
    66,688,767.24x = 100,019,154 × 18,808,513.80
  4. Step 4: Simplify right side
    66,688,767.24x = 1,881,211,638,273,325.25
  5. Step 5: Solve for x
    x = 1,881,211,638,273,325.25/66,688,767.24
  6. Step 6: Final answer
    x = 28,208,823.11

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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.