Home / 354,966,778.60-532,450,167.90-163,863,802.60

Finding the Fourth Proportional to 354,966,778.60, 532,450,167.90 and 163,863,802.60

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Solution

The fourth proportional to 354,966,778.60, 532,450,167.90 and 163,863,802.60 is: 245,795,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,966,778.60 : 532,450,167.90 = 163,863,802.60 : x
  2. Step 2: Convert to fraction form
    354,966,778.60/532,450,167.90 = 163,863,802.60/x
  3. Step 3: Cross multiply
    354,966,778.60x = 532,450,167.90 × 163,863,802.60
  4. Step 4: Simplify right side
    354,966,778.60x = 87,249,309,207,102,448
  5. Step 5: Solve for x
    x = 87,249,309,207,102,448/354,966,778.60
  6. Step 6: Final answer
    x = 245,795,703.90

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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.