Home / 54,967,505.12-75,884,606.88-42,381,068.48

Finding the Fourth Proportional to 54,967,505.12, 75,884,606.88 and 42,381,068.48

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Solution

The fourth proportional to 54,967,505.12, 75,884,606.88 and 42,381,068.48 is: 58,508,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,967,505.12 : 75,884,606.88 = 42,381,068.48 : x
  2. Step 2: Convert to fraction form
    54,967,505.12/75,884,606.88 = 42,381,068.48/x
  3. Step 3: Cross multiply
    54,967,505.12x = 75,884,606.88 × 42,381,068.48
  4. Step 4: Simplify right side
    54,967,505.12x = 3,216,070,720,759,158.50
  5. Step 5: Solve for x
    x = 3,216,070,720,759,158.50/54,967,505.12
  6. Step 6: Final answer
    x = 58,508,580.91

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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.