Home / 70,102,771.75-105,060,161.88-54,559,368.08

Finding the Fourth Proportional to 70,102,771.75, 105,060,161.88 and 54,559,368.08

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Solution

The fourth proportional to 70,102,771.75, 105,060,161.88 and 54,559,368.08 is: 81,765,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,771.75 : 105,060,161.88 = 54,559,368.08 : x
  2. Step 2: Convert to fraction form
    70,102,771.75/105,060,161.88 = 54,559,368.08/x
  3. Step 3: Cross multiply
    70,102,771.75x = 105,060,161.88 × 54,559,368.08
  4. Step 4: Simplify right side
    70,102,771.75x = 5,732,016,041,757,207
  5. Step 5: Solve for x
    x = 5,732,016,041,757,207/70,102,771.75
  6. Step 6: Final answer
    x = 81,765,897.40

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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.