Home / 70,986,503.40-106,437,764.70-36,974,279.40

Finding the Fourth Proportional to 70,986,503.40, 106,437,764.70 and 36,974,279.40

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Solution

The fourth proportional to 70,986,503.40, 106,437,764.70 and 36,974,279.40 is: 55,439,547.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,986,503.40 : 106,437,764.70 = 36,974,279.40 : x
  2. Step 2: Convert to fraction form
    70,986,503.40/106,437,764.70 = 36,974,279.40/x
  3. Step 3: Cross multiply
    70,986,503.40x = 106,437,764.70 × 36,974,279.40
  4. Step 4: Simplify right side
    70,986,503.40x = 3,935,459,650,729,257
  5. Step 5: Solve for x
    x = 3,935,459,650,729,257/70,986,503.40
  6. Step 6: Final answer
    x = 55,439,547.83

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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.