Home / 98,684,180.95-136,178,774.46-54,021,513

Finding the Fourth Proportional to 98,684,180.95, 136,178,774.46 and 54,021,513

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Solution

The fourth proportional to 98,684,180.95, 136,178,774.46 and 54,021,513 is: 74,546,734.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,684,180.95 : 136,178,774.46 = 54,021,513 : x
  2. Step 2: Convert to fraction form
    98,684,180.95/136,178,774.46 = 54,021,513/x
  3. Step 3: Cross multiply
    98,684,180.95x = 136,178,774.46 × 54,021,513
  4. Step 4: Simplify right side
    98,684,180.95x = 7,356,583,434,814,958
  5. Step 5: Solve for x
    x = 7,356,583,434,814,958/98,684,180.95
  6. Step 6: Final answer
    x = 74,546,734.48

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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.