Home / 66,430,266.90-99,645,400.35-54,313,412.10

Finding the Fourth Proportional to 66,430,266.90, 99,645,400.35 and 54,313,412.10

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Solution

The fourth proportional to 66,430,266.90, 99,645,400.35 and 54,313,412.10 is: 81,470,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,266.90 : 99,645,400.35 = 54,313,412.10 : x
  2. Step 2: Convert to fraction form
    66,430,266.90/99,645,400.35 = 54,313,412.10/x
  3. Step 3: Cross multiply
    66,430,266.90x = 99,645,400.35 × 54,313,412.10
  4. Step 4: Simplify right side
    66,430,266.90x = 5,412,081,693,079,034
  5. Step 5: Solve for x
    x = 5,412,081,693,079,034/66,430,266.90
  6. Step 6: Final answer
    x = 81,470,118.15

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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.