Home / 70,438,289.40-97,204,953.73-39,076,339.20

Finding the Fourth Proportional to 70,438,289.40, 97,204,953.73 and 39,076,339.20

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Solution

The fourth proportional to 70,438,289.40, 97,204,953.73 and 39,076,339.20 is: 53,925,411.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,438,289.40 : 97,204,953.73 = 39,076,339.20 : x
  2. Step 2: Convert to fraction form
    70,438,289.40/97,204,953.73 = 39,076,339.20/x
  3. Step 3: Cross multiply
    70,438,289.40x = 97,204,953.73 × 39,076,339.20
  4. Step 4: Simplify right side
    70,438,289.40x = 3,798,413,743,436,606
  5. Step 5: Solve for x
    x = 3,798,413,743,436,606/70,438,289.40
  6. Step 6: Final answer
    x = 53,925,411.53

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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.