Home / 61,688,134.71-85,130,556.93-33,810,621.89

Finding the Fourth Proportional to 61,688,134.71, 85,130,556.93 and 33,810,621.89

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Solution

The fourth proportional to 61,688,134.71, 85,130,556.93 and 33,810,621.89 is: 46,659,168.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,688,134.71 : 85,130,556.93 = 33,810,621.89 : x
  2. Step 2: Convert to fraction form
    61,688,134.71/85,130,556.93 = 33,810,621.89/x
  3. Step 3: Cross multiply
    61,688,134.71x = 85,130,556.93 × 33,810,621.89
  4. Step 4: Simplify right side
    61,688,134.71x = 2,878,317,071,219,696.50
  5. Step 5: Solve for x
    x = 2,878,317,071,219,696.50/61,688,134.71
  6. Step 6: Final answer
    x = 46,659,168.49

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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.