Home / 70,989,416.50-106,495,890.81-24,919,331.98

Finding the Fourth Proportional to 70,989,416.50, 106,495,890.81 and 24,919,331.98

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Solution

The fourth proportional to 70,989,416.50, 106,495,890.81 and 24,919,331.98 is: 37,383,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,989,416.50 : 106,495,890.81 = 24,919,331.98 : x
  2. Step 2: Convert to fraction form
    70,989,416.50/106,495,890.81 = 24,919,331.98/x
  3. Step 3: Cross multiply
    70,989,416.50x = 106,495,890.81 × 24,919,331.98
  4. Step 4: Simplify right side
    70,989,416.50x = 2,653,806,457,600,221
  5. Step 5: Solve for x
    x = 2,653,806,457,600,221/70,989,416.50
  6. Step 6: Final answer
    x = 37,383,128.20

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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.