Home / 130,133,013.30-195,518,384.55-97,847,972.55

Finding the Fourth Proportional to 130,133,013.30, 195,518,384.55 and 97,847,972.55

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Solution

The fourth proportional to 130,133,013.30, 195,518,384.55 and 97,847,972.55 is: 147,011,715.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,133,013.30 : 195,518,384.55 = 97,847,972.55 : x
  2. Step 2: Convert to fraction form
    130,133,013.30/195,518,384.55 = 97,847,972.55/x
  3. Step 3: Cross multiply
    130,133,013.30x = 195,518,384.55 × 97,847,972.55
  4. Step 4: Simplify right side
    130,133,013.30x = 19,131,077,524,468,744
  5. Step 5: Solve for x
    x = 19,131,077,524,468,744/130,133,013.30
  6. Step 6: Final answer
    x = 147,011,715.47

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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.