Home / 79,938,618.34-110,309,136.45-45,134,744.08

Finding the Fourth Proportional to 79,938,618.34, 110,309,136.45 and 45,134,744.08

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Solution

The fourth proportional to 79,938,618.34, 110,309,136.45 and 45,134,744.08 is: 62,282,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,938,618.34 : 110,309,136.45 = 45,134,744.08 : x
  2. Step 2: Convert to fraction form
    79,938,618.34/110,309,136.45 = 45,134,744.08/x
  3. Step 3: Cross multiply
    79,938,618.34x = 110,309,136.45 × 45,134,744.08
  4. Step 4: Simplify right side
    79,938,618.34x = 4,978,774,643,356,550
  5. Step 5: Solve for x
    x = 4,978,774,643,356,550/79,938,618.34
  6. Step 6: Final answer
    x = 62,282,470.56

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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.