Home / 91,047,815.04-125,638,389.22-51,353,158.34

Finding the Fourth Proportional to 91,047,815.04, 125,638,389.22 and 51,353,158.34

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Solution

The fourth proportional to 91,047,815.04, 125,638,389.22 and 51,353,158.34 is: 70,863,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,047,815.04 : 125,638,389.22 = 51,353,158.34 : x
  2. Step 2: Convert to fraction form
    91,047,815.04/125,638,389.22 = 51,353,158.34/x
  3. Step 3: Cross multiply
    91,047,815.04x = 125,638,389.22 × 51,353,158.34
  4. Step 4: Simplify right side
    91,047,815.04x = 6,451,928,095,197,209
  5. Step 5: Solve for x
    x = 6,451,928,095,197,209/91,047,815.04
  6. Step 6: Final answer
    x = 70,863,074.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.