Home / 137,416,710.43-189,636,330.33-74,692,955.86

Finding the Fourth Proportional to 137,416,710.43, 189,636,330.33 and 74,692,955.86

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Solution

The fourth proportional to 137,416,710.43, 189,636,330.33 and 74,692,955.86 is: 103,076,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,416,710.43 : 189,636,330.33 = 74,692,955.86 : x
  2. Step 2: Convert to fraction form
    137,416,710.43/189,636,330.33 = 74,692,955.86/x
  3. Step 3: Cross multiply
    137,416,710.43x = 189,636,330.33 × 74,692,955.86
  4. Step 4: Simplify right side
    137,416,710.43x = 14,164,498,050,316,980
  5. Step 5: Solve for x
    x = 14,164,498,050,316,980/137,416,710.43
  6. Step 6: Final answer
    x = 103,076,969.36

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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.