Home / 79,683,921-119,435,213.79-48,490,780.41

Finding the Fourth Proportional to 79,683,921, 119,435,213.79 and 48,490,780.41

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Solution

The fourth proportional to 79,683,921, 119,435,213.79 and 48,490,780.41 is: 72,680,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,683,921 : 119,435,213.79 = 48,490,780.41 : x
  2. Step 2: Convert to fraction form
    79,683,921/119,435,213.79 = 48,490,780.41/x
  3. Step 3: Cross multiply
    79,683,921x = 119,435,213.79 × 48,490,780.41
  4. Step 4: Simplify right side
    79,683,921x = 5,791,506,725,112,294
  5. Step 5: Solve for x
    x = 5,791,506,725,112,294/79,683,921
  6. Step 6: Final answer
    x = 72,680,995.77

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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.