Home / 85,430,516.80-128,133,333.60-24,839,924.80

Finding the Fourth Proportional to 85,430,516.80, 128,133,333.60 and 24,839,924.80

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Solution

The fourth proportional to 85,430,516.80, 128,133,333.60 and 24,839,924.80 is: 37,256,269.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,430,516.80 : 128,133,333.60 = 24,839,924.80 : x
  2. Step 2: Convert to fraction form
    85,430,516.80/128,133,333.60 = 24,839,924.80/x
  3. Step 3: Cross multiply
    85,430,516.80x = 128,133,333.60 × 24,839,924.80
  4. Step 4: Simplify right side
    85,430,516.80x = 3,182,822,370,997,313
  5. Step 5: Solve for x
    x = 3,182,822,370,997,313/85,430,516.80
  6. Step 6: Final answer
    x = 37,256,269.66

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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.