Home / 107,984,504.40-161,990,964.60-39,875,038.80

Finding the Fourth Proportional to 107,984,504.40, 161,990,964.60 and 39,875,038.80

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Solution

The fourth proportional to 107,984,504.40, 161,990,964.60 and 39,875,038.80 is: 59,817,804.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,984,504.40 : 161,990,964.60 = 39,875,038.80 : x
  2. Step 2: Convert to fraction form
    107,984,504.40/161,990,964.60 = 39,875,038.80/x
  3. Step 3: Cross multiply
    107,984,504.40x = 161,990,964.60 × 39,875,038.80
  4. Step 4: Simplify right side
    107,984,504.40x = 6,459,395,998,674,426
  5. Step 5: Solve for x
    x = 6,459,395,998,674,426/107,984,504.40
  6. Step 6: Final answer
    x = 59,817,804.74

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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.