Home / 85,536,063.60-128,304,095.40-28,014,464.40

Finding the Fourth Proportional to 85,536,063.60, 128,304,095.40 and 28,014,464.40

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Solution

The fourth proportional to 85,536,063.60, 128,304,095.40 and 28,014,464.40 is: 42,021,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,063.60 : 128,304,095.40 = 28,014,464.40 : x
  2. Step 2: Convert to fraction form
    85,536,063.60/128,304,095.40 = 28,014,464.40/x
  3. Step 3: Cross multiply
    85,536,063.60x = 128,304,095.40 × 28,014,464.40
  4. Step 4: Simplify right side
    85,536,063.60x = 3,594,370,512,957,503.50
  5. Step 5: Solve for x
    x = 3,594,370,512,957,503.50/85,536,063.60
  6. Step 6: Final answer
    x = 42,021,696.60

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1.5x scale

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.