Home / 48,276,021.40-72,414,032.10-47,828,123.80

Finding the Fourth Proportional to 48,276,021.40, 72,414,032.10 and 47,828,123.80

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Solution

The fourth proportional to 48,276,021.40, 72,414,032.10 and 47,828,123.80 is: 71,742,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,276,021.40 : 72,414,032.10 = 47,828,123.80 : x
  2. Step 2: Convert to fraction form
    48,276,021.40/72,414,032.10 = 47,828,123.80/x
  3. Step 3: Cross multiply
    48,276,021.40x = 72,414,032.10 × 47,828,123.80
  4. Step 4: Simplify right side
    48,276,021.40x = 3,463,427,292,135,973.50
  5. Step 5: Solve for x
    x = 3,463,427,292,135,973.50/48,276,021.40
  6. Step 6: Final answer
    x = 71,742,185.70

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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.