Home / 74,164,259.86-102,339,304.39-42,812,409.28

Finding the Fourth Proportional to 74,164,259.86, 102,339,304.39 and 42,812,409.28

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Solution

The fourth proportional to 74,164,259.86, 102,339,304.39 and 42,812,409.28 is: 59,076,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,164,259.86 : 102,339,304.39 = 42,812,409.28 : x
  2. Step 2: Convert to fraction form
    74,164,259.86/102,339,304.39 = 42,812,409.28/x
  3. Step 3: Cross multiply
    74,164,259.86x = 102,339,304.39 × 42,812,409.28
  4. Step 4: Simplify right side
    74,164,259.86x = 4,381,392,184,472,701.50
  5. Step 5: Solve for x
    x = 4,381,392,184,472,701.50/74,164,259.86
  6. Step 6: Final answer
    x = 59,076,867.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.