Home / 157,284,013.60-235,926,020.40-102,864,455.20

Finding the Fourth Proportional to 157,284,013.60, 235,926,020.40 and 102,864,455.20

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Solution

The fourth proportional to 157,284,013.60, 235,926,020.40 and 102,864,455.20 is: 154,296,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,284,013.60 : 235,926,020.40 = 102,864,455.20 : x
  2. Step 2: Convert to fraction form
    157,284,013.60/235,926,020.40 = 102,864,455.20/x
  3. Step 3: Cross multiply
    157,284,013.60x = 235,926,020.40 × 102,864,455.20
  4. Step 4: Simplify right side
    157,284,013.60x = 24,268,401,555,950,088
  5. Step 5: Solve for x
    x = 24,268,401,555,950,088/157,284,013.60
  6. Step 6: Final answer
    x = 154,296,682.80

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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.