Home / 53,712,712.56-74,123,554-29,266,426.56

Finding the Fourth Proportional to 53,712,712.56, 74,123,554 and 29,266,426.56

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Solution

The fourth proportional to 53,712,712.56, 74,123,554 and 29,266,426.56 is: 40,387,674.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,712,712.56 : 74,123,554 = 29,266,426.56 : x
  2. Step 2: Convert to fraction form
    53,712,712.56/74,123,554 = 29,266,426.56/x
  3. Step 3: Cross multiply
    53,712,712.56x = 74,123,554 × 29,266,426.56
  4. Step 4: Simplify right side
    53,712,712.56x = 2,169,331,549,507,194.25
  5. Step 5: Solve for x
    x = 2,169,331,549,507,194.25/53,712,712.56
  6. Step 6: Final answer
    x = 40,387,674.47

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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.