Home / 79,781,614.40-119,672,421.60-31,243,336.40

Finding the Fourth Proportional to 79,781,614.40, 119,672,421.60 and 31,243,336.40

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Solution

The fourth proportional to 79,781,614.40, 119,672,421.60 and 31,243,336.40 is: 46,865,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,781,614.40 : 119,672,421.60 = 31,243,336.40 : x
  2. Step 2: Convert to fraction form
    79,781,614.40/119,672,421.60 = 31,243,336.40/x
  3. Step 3: Cross multiply
    79,781,614.40x = 119,672,421.60 × 31,243,336.40
  4. Step 4: Simplify right side
    79,781,614.40x = 3,738,965,725,851,426
  5. Step 5: Solve for x
    x = 3,738,965,725,851,426/79,781,614.40
  6. Step 6: Final answer
    x = 46,865,004.60

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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.