Home / 100,731,638.40-151,097,457.60-32,581,219.20

Finding the Fourth Proportional to 100,731,638.40, 151,097,457.60 and 32,581,219.20

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Solution

The fourth proportional to 100,731,638.40, 151,097,457.60 and 32,581,219.20 is: 48,871,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,731,638.40 : 151,097,457.60 = 32,581,219.20 : x
  2. Step 2: Convert to fraction form
    100,731,638.40/151,097,457.60 = 32,581,219.20/x
  3. Step 3: Cross multiply
    100,731,638.40x = 151,097,457.60 × 32,581,219.20
  4. Step 4: Simplify right side
    100,731,638.40x = 4,922,939,386,628,306
  5. Step 5: Solve for x
    x = 4,922,939,386,628,306/100,731,638.40
  6. Step 6: Final answer
    x = 48,871,828.80

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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.