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Finding the Fourth Proportional to 88,697,152.80, 132,971,079.60 and 46,146,880.80

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Solution

The fourth proportional to 88,697,152.80, 132,971,079.60 and 46,146,880.80 is: 69,181,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,697,152.80 : 132,971,079.60 = 46,146,880.80 : x
  2. Step 2: Convert to fraction form
    88,697,152.80/132,971,079.60 = 46,146,880.80/x
  3. Step 3: Cross multiply
    88,697,152.80x = 132,971,079.60 × 46,146,880.80
  4. Step 4: Simplify right side
    88,697,152.80x = 6,136,200,560,148,511
  5. Step 5: Solve for x
    x = 6,136,200,560,148,511/88,697,152.80
  6. Step 6: Final answer
    x = 69,181,482.90

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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.