Home / 251,343,009.20-377,014,513.80-130,410,657.20

Finding the Fourth Proportional to 251,343,009.20, 377,014,513.80 and 130,410,657.20

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Solution

The fourth proportional to 251,343,009.20, 377,014,513.80 and 130,410,657.20 is: 195,615,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,343,009.20 : 377,014,513.80 = 130,410,657.20 : x
  2. Step 2: Convert to fraction form
    251,343,009.20/377,014,513.80 = 130,410,657.20/x
  3. Step 3: Cross multiply
    251,343,009.20x = 377,014,513.80 × 130,410,657.20
  4. Step 4: Simplify right side
    251,343,009.20x = 49,166,710,518,596,472
  5. Step 5: Solve for x
    x = 49,166,710,518,596,472/251,343,009.20
  6. Step 6: Final answer
    x = 195,615,985.80

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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.