Home / 124,425,865.60-186,312,206.40-87,836,675.20

Finding the Fourth Proportional to 124,425,865.60, 186,312,206.40 and 87,836,675.20

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Solution

The fourth proportional to 124,425,865.60, 186,312,206.40 and 87,836,675.20 is: 131,524,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,425,865.60 : 186,312,206.40 = 87,836,675.20 : x
  2. Step 2: Convert to fraction form
    124,425,865.60/186,312,206.40 = 87,836,675.20/x
  3. Step 3: Cross multiply
    124,425,865.60x = 186,312,206.40 × 87,836,675.20
  4. Step 4: Simplify right side
    124,425,865.60x = 16,365,044,759,352,162
  5. Step 5: Solve for x
    x = 16,365,044,759,352,162/124,425,865.60
  6. Step 6: Final answer
    x = 131,524,459.81

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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.