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Finding the Fourth Proportional to 46,664,211.60, 65,178,730.80 and 46,664,211.60

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Solution

The fourth proportional to 46,664,211.60, 65,178,730.80 and 46,664,211.60 is: 65,178,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,664,211.60 : 65,178,730.80 = 46,664,211.60 : x
  2. Step 2: Convert to fraction form
    46,664,211.60/65,178,730.80 = 46,664,211.60/x
  3. Step 3: Cross multiply
    46,664,211.60x = 65,178,730.80 × 46,664,211.60
  4. Step 4: Simplify right side
    46,664,211.60x = 3,041,514,085,870,637
  5. Step 5: Solve for x
    x = 3,041,514,085,870,637/46,664,211.60
  6. Step 6: Final answer
    x = 65,178,730.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.