Home / 81,938,666.88-113,074,022.43-44,768,147.22

Finding the Fourth Proportional to 81,938,666.88, 113,074,022.43 and 44,768,147.22

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Solution

The fourth proportional to 81,938,666.88, 113,074,022.43 and 44,768,147.22 is: 61,779,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,938,666.88 : 113,074,022.43 = 44,768,147.22 : x
  2. Step 2: Convert to fraction form
    81,938,666.88/113,074,022.43 = 44,768,147.22/x
  3. Step 3: Cross multiply
    81,938,666.88x = 113,074,022.43 × 44,768,147.22
  4. Step 4: Simplify right side
    81,938,666.88x = 5,062,114,482,903,822
  5. Step 5: Solve for x
    x = 5,062,114,482,903,822/81,938,666.88
  6. Step 6: Final answer
    x = 61,779,312.21

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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.