Home / 66,480,634.63-91,078,044.24-63,994,572.40

Finding the Fourth Proportional to 66,480,634.63, 91,078,044.24 and 63,994,572.40

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Solution

The fourth proportional to 66,480,634.63, 91,078,044.24 and 63,994,572.40 is: 87,672,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,480,634.63 : 91,078,044.24 = 63,994,572.40 : x
  2. Step 2: Convert to fraction form
    66,480,634.63/91,078,044.24 = 63,994,572.40/x
  3. Step 3: Cross multiply
    66,480,634.63x = 91,078,044.24 × 63,994,572.40
  4. Step 4: Simplify right side
    66,480,634.63x = 5,828,500,496,167,082
  5. Step 5: Solve for x
    x = 5,828,500,496,167,082/66,480,634.63
  6. Step 6: Final answer
    x = 87,672,154.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.