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Finding the Fourth Proportional to 46,787,893.60, 70,186,530.30 and 16,078,428.40

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Solution

The fourth proportional to 46,787,893.60, 70,186,530.30 and 16,078,428.40 is: 24,119,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,787,893.60 : 70,186,530.30 = 16,078,428.40 : x
  2. Step 2: Convert to fraction form
    46,787,893.60/70,186,530.30 = 16,078,428.40/x
  3. Step 3: Cross multiply
    46,787,893.60x = 70,186,530.30 × 16,078,428.40
  4. Step 4: Simplify right side
    46,787,893.60x = 1,128,489,102,072,980.50
  5. Step 5: Solve for x
    x = 1,128,489,102,072,980.50/46,787,893.60
  6. Step 6: Final answer
    x = 24,119,254.26

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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.