Home / 103,390,012.54-142,699,389.24-61,598,559.52

Finding the Fourth Proportional to 103,390,012.54, 142,699,389.24 and 61,598,559.52

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Solution

The fourth proportional to 103,390,012.54, 142,699,389.24 and 61,598,559.52 is: 85,018,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,390,012.54 : 142,699,389.24 = 61,598,559.52 : x
  2. Step 2: Convert to fraction form
    103,390,012.54/142,699,389.24 = 61,598,559.52/x
  3. Step 3: Cross multiply
    103,390,012.54x = 142,699,389.24 × 61,598,559.52
  4. Step 4: Simplify right side
    103,390,012.54x = 8,790,076,821,567,789
  5. Step 5: Solve for x
    x = 8,790,076,821,567,789/103,390,012.54
  6. Step 6: Final answer
    x = 85,018,626.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.