Home / 133,942,003.60-200,913,005.40-65,828,390.80

Finding the Fourth Proportional to 133,942,003.60, 200,913,005.40 and 65,828,390.80

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Solution

The fourth proportional to 133,942,003.60, 200,913,005.40 and 65,828,390.80 is: 98,742,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,942,003.60 : 200,913,005.40 = 65,828,390.80 : x
  2. Step 2: Convert to fraction form
    133,942,003.60/200,913,005.40 = 65,828,390.80/x
  3. Step 3: Cross multiply
    133,942,003.60x = 200,913,005.40 × 65,828,390.80
  4. Step 4: Simplify right side
    133,942,003.60x = 13,225,779,836,273,710
  5. Step 5: Solve for x
    x = 13,225,779,836,273,710/133,942,003.60
  6. Step 6: Final answer
    x = 98,742,586.20

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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.