Home / 70,348,638.70-105,617,436.45-44,902,456.30

Finding the Fourth Proportional to 70,348,638.70, 105,617,436.45 and 44,902,456.30

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Solution

The fourth proportional to 70,348,638.70, 105,617,436.45 and 44,902,456.30 is: 67,413,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,348,638.70 : 105,617,436.45 = 44,902,456.30 : x
  2. Step 2: Convert to fraction form
    70,348,638.70/105,617,436.45 = 44,902,456.30/x
  3. Step 3: Cross multiply
    70,348,638.70x = 105,617,436.45 × 44,902,456.30
  4. Step 4: Simplify right side
    70,348,638.70x = 4,742,482,324,714,152
  5. Step 5: Solve for x
    x = 4,742,482,324,714,152/70,348,638.70
  6. Step 6: Final answer
    x = 67,413,988.56

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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.