Home / 61,660,487.79-85,085,271.86-34,153,276.59

Finding the Fourth Proportional to 61,660,487.79, 85,085,271.86 and 34,153,276.59

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Solution

The fourth proportional to 61,660,487.79, 85,085,271.86 and 34,153,276.59 is: 47,128,086.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,660,487.79 : 85,085,271.86 = 34,153,276.59 : x
  2. Step 2: Convert to fraction form
    61,660,487.79/85,085,271.86 = 34,153,276.59/x
  3. Step 3: Cross multiply
    61,660,487.79x = 85,085,271.86 × 34,153,276.59
  4. Step 4: Simplify right side
    61,660,487.79x = 2,905,940,823,399,158
  5. Step 5: Solve for x
    x = 2,905,940,823,399,158/61,660,487.79
  6. Step 6: Final answer
    x = 47,128,086.84

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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.