Home / 86,938,656.24-119,972,809.08-49,767,704.40

Finding the Fourth Proportional to 86,938,656.24, 119,972,809.08 and 49,767,704.40

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Solution

The fourth proportional to 86,938,656.24, 119,972,809.08 and 49,767,704.40 is: 68,677,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,938,656.24 : 119,972,809.08 = 49,767,704.40 : x
  2. Step 2: Convert to fraction form
    86,938,656.24/119,972,809.08 = 49,767,704.40/x
  3. Step 3: Cross multiply
    86,938,656.24x = 119,972,809.08 × 49,767,704.40
  4. Step 4: Simplify right side
    86,938,656.24x = 5,970,771,298,331,076
  5. Step 5: Solve for x
    x = 5,970,771,298,331,076/86,938,656.24
  6. Step 6: Final answer
    x = 68,677,980.04

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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.