Home / 98,055,681.72-135,331,551.90-74,495,448.42

Finding the Fourth Proportional to 98,055,681.72, 135,331,551.90 and 74,495,448.42

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Solution

The fourth proportional to 98,055,681.72, 135,331,551.90 and 74,495,448.42 is: 102,814,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,055,681.72 : 135,331,551.90 = 74,495,448.42 : x
  2. Step 2: Convert to fraction form
    98,055,681.72/135,331,551.90 = 74,495,448.42/x
  3. Step 3: Cross multiply
    98,055,681.72x = 135,331,551.90 × 74,495,448.42
  4. Step 4: Simplify right side
    98,055,681.72x = 10,081,584,644,165,004
  5. Step 5: Solve for x
    x = 10,081,584,644,165,004/98,055,681.72
  6. Step 6: Final answer
    x = 102,814,895.24

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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.