Home / 235,960,128.46-353,941,312.25-72,197,623.81

Finding the Fourth Proportional to 235,960,128.46, 353,941,312.25 and 72,197,623.81

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Solution

The fourth proportional to 235,960,128.46, 353,941,312.25 and 72,197,623.81 is: 108,296,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,960,128.46 : 353,941,312.25 = 72,197,623.81 : x
  2. Step 2: Convert to fraction form
    235,960,128.46/353,941,312.25 = 72,197,623.81/x
  3. Step 3: Cross multiply
    235,960,128.46x = 353,941,312.25 × 72,197,623.81
  4. Step 4: Simplify right side
    235,960,128.46x = 25,553,721,712,643,244
  5. Step 5: Solve for x
    x = 25,553,721,712,643,244/235,960,128.46
  6. Step 6: Final answer
    x = 108,296,778.27

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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.