Home / 66,438,128.70-99,657,193.05-26,048,612.70

Finding the Fourth Proportional to 66,438,128.70, 99,657,193.05 and 26,048,612.70

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Solution

The fourth proportional to 66,438,128.70, 99,657,193.05 and 26,048,612.70 is: 39,072,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,438,128.70 : 99,657,193.05 = 26,048,612.70 : x
  2. Step 2: Convert to fraction form
    66,438,128.70/99,657,193.05 = 26,048,612.70/x
  3. Step 3: Cross multiply
    66,438,128.70x = 99,657,193.05 × 26,048,612.70
  4. Step 4: Simplify right side
    66,438,128.70x = 2,595,931,624,528,581.50
  5. Step 5: Solve for x
    x = 2,595,931,624,528,581.50/66,438,128.70
  6. Step 6: Final answer
    x = 39,072,919.05

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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.