Home / 51,076,911.60-76,615,367.40-42,006,985.20

Finding the Fourth Proportional to 51,076,911.60, 76,615,367.40 and 42,006,985.20

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Solution

The fourth proportional to 51,076,911.60, 76,615,367.40 and 42,006,985.20 is: 63,010,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,076,911.60 : 76,615,367.40 = 42,006,985.20 : x
  2. Step 2: Convert to fraction form
    51,076,911.60/76,615,367.40 = 42,006,985.20/x
  3. Step 3: Cross multiply
    51,076,911.60x = 76,615,367.40 × 42,006,985.20
  4. Step 4: Simplify right side
    51,076,911.60x = 3,218,380,604,464,363
  5. Step 5: Solve for x
    x = 3,218,380,604,464,363/51,076,911.60
  6. Step 6: Final answer
    x = 63,010,477.80

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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.