Home / 98,178,281,846.10-135,489,371,904.52-56,975,471,554.10

Finding the Fourth Proportional to 98,178,281,846.10, 135,489,371,904.52 and 56,975,471,554.10

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Solution

The fourth proportional to 98,178,281,846.10, 135,489,371,904.52 and 56,975,471,554.10 is: 78,628,090,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,178,281,846.10 : 135,489,371,904.52 = 56,975,471,554.10 : x
  2. Step 2: Convert to fraction form
    98,178,281,846.10/135,489,371,904.52 = 56,975,471,554.10/x
  3. Step 3: Cross multiply
    98,178,281,846.10x = 135,489,371,904.52 × 56,975,471,554.10
  4. Step 4: Simplify right side
    98,178,281,846.10x = 7,719,570,854,828,178,407,424
  5. Step 5: Solve for x
    x = 7,719,570,854,828,178,407,424/98,178,281,846.10
  6. Step 6: Final answer
    x = 78,628,090,751.57

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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.