Home / 145,615,113.34-218,423,486.55-48,570,554.52

Finding the Fourth Proportional to 145,615,113.34, 218,423,486.55 and 48,570,554.52

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Solution

The fourth proportional to 145,615,113.34, 218,423,486.55 and 48,570,554.52 is: 72,856,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,615,113.34 : 218,423,486.55 = 48,570,554.52 : x
  2. Step 2: Convert to fraction form
    145,615,113.34/218,423,486.55 = 48,570,554.52/x
  3. Step 3: Cross multiply
    145,615,113.34x = 218,423,486.55 × 48,570,554.52
  4. Step 4: Simplify right side
    145,615,113.34x = 10,608,949,860,833,144
  5. Step 5: Solve for x
    x = 10,608,949,860,833,144/145,615,113.34
  6. Step 6: Final answer
    x = 72,856,104.13

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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.