Home / 145,615,113.56-218,423,486.88-48,570,554.74

Finding the Fourth Proportional to 145,615,113.56, 218,423,486.88 and 48,570,554.74

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Solution

The fourth proportional to 145,615,113.56, 218,423,486.88 and 48,570,554.74 is: 72,856,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,615,113.56 : 218,423,486.88 = 48,570,554.74 : x
  2. Step 2: Convert to fraction form
    145,615,113.56/218,423,486.88 = 48,570,554.74/x
  3. Step 3: Cross multiply
    145,615,113.56x = 218,423,486.88 × 48,570,554.74
  4. Step 4: Simplify right side
    145,615,113.56x = 10,608,949,926,279,742
  5. Step 5: Solve for x
    x = 10,608,949,926,279,742/145,615,113.56
  6. Step 6: Final answer
    x = 72,856,104.47

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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.