Home / 82,717,497.60-124,076,246.40-39,670,776.60

Finding the Fourth Proportional to 82,717,497.60, 124,076,246.40 and 39,670,776.60

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Solution

The fourth proportional to 82,717,497.60, 124,076,246.40 and 39,670,776.60 is: 59,506,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,717,497.60 : 124,076,246.40 = 39,670,776.60 : x
  2. Step 2: Convert to fraction form
    82,717,497.60/124,076,246.40 = 39,670,776.60/x
  3. Step 3: Cross multiply
    82,717,497.60x = 124,076,246.40 × 39,670,776.60
  4. Step 4: Simplify right side
    82,717,497.60x = 4,922,201,052,300,955
  5. Step 5: Solve for x
    x = 4,922,201,052,300,955/82,717,497.60
  6. Step 6: Final answer
    x = 59,506,164.90

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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.