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Finding the Fourth Proportional to 100,284,585.60, 150,426,878.40 and 100,284,585.60

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Solution

The fourth proportional to 100,284,585.60, 150,426,878.40 and 100,284,585.60 is: 150,426,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,284,585.60 : 150,426,878.40 = 100,284,585.60 : x
  2. Step 2: Convert to fraction form
    100,284,585.60/150,426,878.40 = 100,284,585.60/x
  3. Step 3: Cross multiply
    100,284,585.60x = 150,426,878.40 × 100,284,585.60
  4. Step 4: Simplify right side
    100,284,585.60x = 15,085,497,163,445,590
  5. Step 5: Solve for x
    x = 15,085,497,163,445,590/100,284,585.60
  6. Step 6: Final answer
    x = 150,426,878.40

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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.