Home / 103,153,193.55-142,352,157.54-56,110,673.19

Finding the Fourth Proportional to 103,153,193.55, 142,352,157.54 and 56,110,673.19

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Solution

The fourth proportional to 103,153,193.55, 142,352,157.54 and 56,110,673.19 is: 77,433,137.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,153,193.55 : 142,352,157.54 = 56,110,673.19 : x
  2. Step 2: Convert to fraction form
    103,153,193.55/142,352,157.54 = 56,110,673.19/x
  3. Step 3: Cross multiply
    103,153,193.55x = 142,352,157.54 × 56,110,673.19
  4. Step 4: Simplify right side
    103,153,193.55x = 7,987,475,389,618,334
  5. Step 5: Solve for x
    x = 7,987,475,389,618,334/103,153,193.55
  6. Step 6: Final answer
    x = 77,433,137.21

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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.