Home / 103,488,015.40-145,095,558.20-103,488,015.40

Finding the Fourth Proportional to 103,488,015.40, 145,095,558.20 and 103,488,015.40

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Solution

The fourth proportional to 103,488,015.40, 145,095,558.20 and 103,488,015.40 is: 145,095,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,488,015.40 : 145,095,558.20 = 103,488,015.40 : x
  2. Step 2: Convert to fraction form
    103,488,015.40/145,095,558.20 = 103,488,015.40/x
  3. Step 3: Cross multiply
    103,488,015.40x = 145,095,558.20 × 103,488,015.40
  4. Step 4: Simplify right side
    103,488,015.40x = 15,015,651,361,473,196
  5. Step 5: Solve for x
    x = 15,015,651,361,473,196/103,488,015.40
  6. Step 6: Final answer
    x = 145,095,558.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.