Home / 129,323,591.84-178,700,005.28-92,089,229.12

Finding the Fourth Proportional to 129,323,591.84, 178,700,005.28 and 92,089,229.12

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Solution

The fourth proportional to 129,323,591.84, 178,700,005.28 and 92,089,229.12 is: 127,249,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,323,591.84 : 178,700,005.28 = 92,089,229.12 : x
  2. Step 2: Convert to fraction form
    129,323,591.84/178,700,005.28 = 92,089,229.12/x
  3. Step 3: Cross multiply
    129,323,591.84x = 178,700,005.28 × 92,089,229.12
  4. Step 4: Simplify right side
    129,323,591.84x = 16,456,345,729,975,130
  5. Step 5: Solve for x
    x = 16,456,345,729,975,130/129,323,591.84
  6. Step 6: Final answer
    x = 127,249,371.10

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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.