Home / 145,615,140.76-218,423,527.75-48,570,581.94

Finding the Fourth Proportional to 145,615,140.76, 218,423,527.75 and 48,570,581.94

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Solution

The fourth proportional to 145,615,140.76, 218,423,527.75 and 48,570,581.94 is: 72,856,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,615,140.76 : 218,423,527.75 = 48,570,581.94 : x
  2. Step 2: Convert to fraction form
    145,615,140.76/218,423,527.75 = 48,570,581.94/x
  3. Step 3: Cross multiply
    145,615,140.76x = 218,423,527.75 × 48,570,581.94
  4. Step 4: Simplify right side
    145,615,140.76x = 10,608,957,851,173,412
  5. Step 5: Solve for x
    x = 10,608,957,851,173,412/145,615,140.76
  6. Step 6: Final answer
    x = 72,856,145.29

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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.