Home / 93,163,840.32-139,770,917.40-28,465,877.52

Finding the Fourth Proportional to 93,163,840.32, 139,770,917.40 and 28,465,877.52

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Solution

The fourth proportional to 93,163,840.32, 139,770,917.40 and 28,465,877.52 is: 42,706,502.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,163,840.32 : 139,770,917.40 = 28,465,877.52 : x
  2. Step 2: Convert to fraction form
    93,163,840.32/139,770,917.40 = 28,465,877.52/x
  3. Step 3: Cross multiply
    93,163,840.32x = 139,770,917.40 × 28,465,877.52
  4. Step 4: Simplify right side
    93,163,840.32x = 3,978,701,815,566,437
  5. Step 5: Solve for x
    x = 3,978,701,815,566,437/93,163,840.32
  6. Step 6: Final answer
    x = 42,706,502.89

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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.