Home / 257,328,749.60-385,993,124.40-230,118,970.40

Finding the Fourth Proportional to 257,328,749.60, 385,993,124.40 and 230,118,970.40

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Solution

The fourth proportional to 257,328,749.60, 385,993,124.40 and 230,118,970.40 is: 345,178,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,328,749.60 : 385,993,124.40 = 230,118,970.40 : x
  2. Step 2: Convert to fraction form
    257,328,749.60/385,993,124.40 = 230,118,970.40/x
  3. Step 3: Cross multiply
    257,328,749.60x = 385,993,124.40 × 230,118,970.40
  4. Step 4: Simplify right side
    257,328,749.60x = 88,824,340,368,407,120
  5. Step 5: Solve for x
    x = 88,824,340,368,407,120/257,328,749.60
  6. Step 6: Final answer
    x = 345,178,455.60

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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.