Home / 298,202,001.60-447,303,002.40-79,886,038.80

Finding the Fourth Proportional to 298,202,001.60, 447,303,002.40 and 79,886,038.80

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Solution

The fourth proportional to 298,202,001.60, 447,303,002.40 and 79,886,038.80 is: 119,829,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,202,001.60 : 447,303,002.40 = 79,886,038.80 : x
  2. Step 2: Convert to fraction form
    298,202,001.60/447,303,002.40 = 79,886,038.80/x
  3. Step 3: Cross multiply
    298,202,001.60x = 447,303,002.40 × 79,886,038.80
  4. Step 4: Simplify right side
    298,202,001.60x = 35,733,265,005,082,888
  5. Step 5: Solve for x
    x = 35,733,265,005,082,888/298,202,001.60
  6. Step 6: Final answer
    x = 119,829,058.20

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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.