Home / 83,835,038.40-125,500,615.20-49,738,833.60

Finding the Fourth Proportional to 83,835,038.40, 125,500,615.20 and 49,738,833.60

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Solution

The fourth proportional to 83,835,038.40, 125,500,615.20 and 49,738,833.60 is: 74,458,774.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,835,038.40 : 125,500,615.20 = 49,738,833.60 : x
  2. Step 2: Convert to fraction form
    83,835,038.40/125,500,615.20 = 49,738,833.60/x
  3. Step 3: Cross multiply
    83,835,038.40x = 125,500,615.20 × 49,738,833.60
  4. Step 4: Simplify right side
    83,835,038.40x = 6,242,254,216,130,431
  5. Step 5: Solve for x
    x = 6,242,254,216,130,431/83,835,038.40
  6. Step 6: Final answer
    x = 74,458,774.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.