Home / 105,492,038.40-158,162,486.40-40,740,422.40

Finding the Fourth Proportional to 105,492,038.40, 158,162,486.40 and 40,740,422.40

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Solution

The fourth proportional to 105,492,038.40, 158,162,486.40 and 40,740,422.40 is: 61,081,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,492,038.40 : 158,162,486.40 = 40,740,422.40 : x
  2. Step 2: Convert to fraction form
    105,492,038.40/158,162,486.40 = 40,740,422.40/x
  3. Step 3: Cross multiply
    105,492,038.40x = 158,162,486.40 × 40,740,422.40
  4. Step 4: Simplify right side
    105,492,038.40x = 6,443,606,503,770,255
  5. Step 5: Solve for x
    x = 6,443,606,503,770,255/105,492,038.40
  6. Step 6: Final answer
    x = 61,081,448.43

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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.