Home / 21,167,132,433.60-31,750,698,639.42-7,903,426,541.34

Finding the Fourth Proportional to 21,167,132,433.60, 31,750,698,639.42 and 7,903,426,541.34

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Solution

The fourth proportional to 21,167,132,433.60, 31,750,698,639.42 and 7,903,426,541.34 is: 11,855,139,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167,132,433.60 : 31,750,698,639.42 = 7,903,426,541.34 : x
  2. Step 2: Convert to fraction form
    21,167,132,433.60/31,750,698,639.42 = 7,903,426,541.34/x
  3. Step 3: Cross multiply
    21,167,132,433.60x = 31,750,698,639.42 × 7,903,426,541.34
  4. Step 4: Simplify right side
    21,167,132,433.60x = 250,939,314,332,879,847,424
  5. Step 5: Solve for x
    x = 250,939,314,332,879,847,424/21,167,132,433.60
  6. Step 6: Final answer
    x = 11,855,139,807.91

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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.