Home / 124,631,169.57-171,991,547.70-68,117,057.04

Finding the Fourth Proportional to 124,631,169.57, 171,991,547.70 and 68,117,057.04

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Solution

The fourth proportional to 124,631,169.57, 171,991,547.70 and 68,117,057.04 is: 94,001,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,631,169.57 : 171,991,547.70 = 68,117,057.04 : x
  2. Step 2: Convert to fraction form
    124,631,169.57/171,991,547.70 = 68,117,057.04/x
  3. Step 3: Cross multiply
    124,631,169.57x = 171,991,547.70 × 68,117,057.04
  4. Step 4: Simplify right side
    124,631,169.57x = 11,715,558,065,078,782
  5. Step 5: Solve for x
    x = 11,715,558,065,078,782/124,631,169.57
  6. Step 6: Final answer
    x = 94,001,830.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.