Home / 103,037,829.30-154,424,033.55-78,984,069.30

Finding the Fourth Proportional to 103,037,829.30, 154,424,033.55 and 78,984,069.30

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Solution

The fourth proportional to 103,037,829.30, 154,424,033.55 and 78,984,069.30 is: 118,374,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,037,829.30 : 154,424,033.55 = 78,984,069.30 : x
  2. Step 2: Convert to fraction form
    103,037,829.30/154,424,033.55 = 78,984,069.30/x
  3. Step 3: Cross multiply
    103,037,829.30x = 154,424,033.55 × 78,984,069.30
  4. Step 4: Simplify right side
    103,037,829.30x = 12,197,038,567,498,726
  5. Step 5: Solve for x
    x = 12,197,038,567,498,726/103,037,829.30
  6. Step 6: Final answer
    x = 118,374,374.25

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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.