Home / 116,459,871.40-174,689,807.10-89,586,015.40

Finding the Fourth Proportional to 116,459,871.40, 174,689,807.10 and 89,586,015.40

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Solution

The fourth proportional to 116,459,871.40, 174,689,807.10 and 89,586,015.40 is: 134,379,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,459,871.40 : 174,689,807.10 = 89,586,015.40 : x
  2. Step 2: Convert to fraction form
    116,459,871.40/174,689,807.10 = 89,586,015.40/x
  3. Step 3: Cross multiply
    116,459,871.40x = 174,689,807.10 × 89,586,015.40
  4. Step 4: Simplify right side
    116,459,871.40x = 15,649,763,749,083,630
  5. Step 5: Solve for x
    x = 15,649,763,749,083,630/116,459,871.40
  6. Step 6: Final answer
    x = 134,379,023.10

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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.