Home / 145,615,113.19-218,423,486.32-48,570,554.37

Finding the Fourth Proportional to 145,615,113.19, 218,423,486.32 and 48,570,554.37

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Solution

The fourth proportional to 145,615,113.19, 218,423,486.32 and 48,570,554.37 is: 72,856,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,615,113.19 : 218,423,486.32 = 48,570,554.37 : x
  2. Step 2: Convert to fraction form
    145,615,113.19/218,423,486.32 = 48,570,554.37/x
  3. Step 3: Cross multiply
    145,615,113.19x = 218,423,486.32 × 48,570,554.37
  4. Step 4: Simplify right side
    145,615,113.19x = 10,608,949,816,845,334
  5. Step 5: Solve for x
    x = 10,608,949,816,845,334/145,615,113.19
  6. Step 6: Final answer
    x = 72,856,103.91

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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.