Home / 159,014,417.60-238,395,655.20-87,210,833.60

Finding the Fourth Proportional to 159,014,417.60, 238,395,655.20 and 87,210,833.60

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Solution

The fourth proportional to 159,014,417.60, 238,395,655.20 and 87,210,833.60 is: 130,747,161.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,014,417.60 : 238,395,655.20 = 87,210,833.60 : x
  2. Step 2: Convert to fraction form
    159,014,417.60/238,395,655.20 = 87,210,833.60/x
  3. Step 3: Cross multiply
    159,014,417.60x = 238,395,655.20 × 87,210,833.60
  4. Step 4: Simplify right side
    159,014,417.60x = 20,790,683,816,610,172
  5. Step 5: Solve for x
    x = 20,790,683,816,610,172/159,014,417.60
  6. Step 6: Final answer
    x = 130,747,161.99

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1.5x scale

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.