Home / 190,148,107.52-262,620,501.12-128,161,598.72

Finding the Fourth Proportional to 190,148,107.52, 262,620,501.12 and 128,161,598.72

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Solution

The fourth proportional to 190,148,107.52, 262,620,501.12 and 128,161,598.72 is: 177,008,668.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,148,107.52 : 262,620,501.12 = 128,161,598.72 : x
  2. Step 2: Convert to fraction form
    190,148,107.52/262,620,501.12 = 128,161,598.72/x
  3. Step 3: Cross multiply
    190,148,107.52x = 262,620,501.12 × 128,161,598.72
  4. Step 4: Simplify right side
    190,148,107.52x = 33,657,863,280,186,752
  5. Step 5: Solve for x
    x = 33,657,863,280,186,752/190,148,107.52
  6. Step 6: Final answer
    x = 177,008,668.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.