Home / 128,328,097.20-192,492,145.80-37,460,871.60

Finding the Fourth Proportional to 128,328,097.20, 192,492,145.80 and 37,460,871.60

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Solution

The fourth proportional to 128,328,097.20, 192,492,145.80 and 37,460,871.60 is: 56,191,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,328,097.20 : 192,492,145.80 = 37,460,871.60 : x
  2. Step 2: Convert to fraction form
    128,328,097.20/192,492,145.80 = 37,460,871.60/x
  3. Step 3: Cross multiply
    128,328,097.20x = 192,492,145.80 × 37,460,871.60
  4. Step 4: Simplify right side
    128,328,097.20x = 7,210,923,557,822,280
  5. Step 5: Solve for x
    x = 7,210,923,557,822,280/128,328,097.20
  6. Step 6: Final answer
    x = 56,191,307.40

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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.