Home / 258,898,833.60-388,348,250.40-105,461,246.40

Finding the Fourth Proportional to 258,898,833.60, 388,348,250.40 and 105,461,246.40

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Solution

The fourth proportional to 258,898,833.60, 388,348,250.40 and 105,461,246.40 is: 158,191,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,898,833.60 : 388,348,250.40 = 105,461,246.40 : x
  2. Step 2: Convert to fraction form
    258,898,833.60/388,348,250.40 = 105,461,246.40/x
  3. Step 3: Cross multiply
    258,898,833.60x = 388,348,250.40 × 105,461,246.40
  4. Step 4: Simplify right side
    258,898,833.60x = 40,955,690,524,443,296
  5. Step 5: Solve for x
    x = 40,955,690,524,443,296/258,898,833.60
  6. Step 6: Final answer
    x = 158,191,869.60

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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.