Home / 97,011,390.40-145,517,085.60-83,973,371.20

Finding the Fourth Proportional to 97,011,390.40, 145,517,085.60 and 83,973,371.20

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Solution

The fourth proportional to 97,011,390.40, 145,517,085.60 and 83,973,371.20 is: 125,960,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,011,390.40 : 145,517,085.60 = 83,973,371.20 : x
  2. Step 2: Convert to fraction form
    97,011,390.40/145,517,085.60 = 83,973,371.20/x
  3. Step 3: Cross multiply
    97,011,390.40x = 145,517,085.60 × 83,973,371.20
  4. Step 4: Simplify right side
    97,011,390.40x = 12,219,560,245,030,974
  5. Step 5: Solve for x
    x = 12,219,560,245,030,974/97,011,390.40
  6. Step 6: Final answer
    x = 125,960,056.80

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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.