Home / 105,631,407.60-158,447,111.40-48,235,779.60

Finding the Fourth Proportional to 105,631,407.60, 158,447,111.40 and 48,235,779.60

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Solution

The fourth proportional to 105,631,407.60, 158,447,111.40 and 48,235,779.60 is: 72,353,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,631,407.60 : 158,447,111.40 = 48,235,779.60 : x
  2. Step 2: Convert to fraction form
    105,631,407.60/158,447,111.40 = 48,235,779.60/x
  3. Step 3: Cross multiply
    105,631,407.60x = 158,447,111.40 × 48,235,779.60
  4. Step 4: Simplify right side
    105,631,407.60x = 7,642,819,943,747,048
  5. Step 5: Solve for x
    x = 7,642,819,943,747,048/105,631,407.60
  6. Step 6: Final answer
    x = 72,353,669.40

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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.