Home / 105,191,996.40-157,787,994.60-28,514,901.60

Finding the Fourth Proportional to 105,191,996.40, 157,787,994.60 and 28,514,901.60

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Solution

The fourth proportional to 105,191,996.40, 157,787,994.60 and 28,514,901.60 is: 42,772,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,191,996.40 : 157,787,994.60 = 28,514,901.60 : x
  2. Step 2: Convert to fraction form
    105,191,996.40/157,787,994.60 = 28,514,901.60/x
  3. Step 3: Cross multiply
    105,191,996.40x = 157,787,994.60 × 28,514,901.60
  4. Step 4: Simplify right side
    105,191,996.40x = 4,499,309,139,680,331.50
  5. Step 5: Solve for x
    x = 4,499,309,139,680,331.50/105,191,996.40
  6. Step 6: Final answer
    x = 42,772,352.40

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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.