Home / 176,256,078.40-264,384,117.60-128,480,334.40

Finding the Fourth Proportional to 176,256,078.40, 264,384,117.60 and 128,480,334.40

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Solution

The fourth proportional to 176,256,078.40, 264,384,117.60 and 128,480,334.40 is: 192,720,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,256,078.40 : 264,384,117.60 = 128,480,334.40 : x
  2. Step 2: Convert to fraction form
    176,256,078.40/264,384,117.60 = 128,480,334.40/x
  3. Step 3: Cross multiply
    176,256,078.40x = 264,384,117.60 × 128,480,334.40
  4. Step 4: Simplify right side
    176,256,078.40x = 33,968,159,839,296,928
  5. Step 5: Solve for x
    x = 33,968,159,839,296,928/176,256,078.40
  6. Step 6: Final answer
    x = 192,720,501.60

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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.