Home / 190,384,018.40-285,585,358.80-99,684,754.40

Finding the Fourth Proportional to 190,384,018.40, 285,585,358.80 and 99,684,754.40

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Solution

The fourth proportional to 190,384,018.40, 285,585,358.80 and 99,684,754.40 is: 149,532,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,384,018.40 : 285,585,358.80 = 99,684,754.40 : x
  2. Step 2: Convert to fraction form
    190,384,018.40/285,585,358.80 = 99,684,754.40/x
  3. Step 3: Cross multiply
    190,384,018.40x = 285,585,358.80 × 99,684,754.40
  4. Step 4: Simplify right side
    190,384,018.40x = 28,468,506,352,213,880
  5. Step 5: Solve for x
    x = 28,468,506,352,213,880/190,384,018.40
  6. Step 6: Final answer
    x = 149,532,017.40

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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.