Home / 74,975,256.80-112,462,885.20-44,742,168.80

Finding the Fourth Proportional to 74,975,256.80, 112,462,885.20 and 44,742,168.80

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Solution

The fourth proportional to 74,975,256.80, 112,462,885.20 and 44,742,168.80 is: 67,113,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,975,256.80 : 112,462,885.20 = 44,742,168.80 : x
  2. Step 2: Convert to fraction form
    74,975,256.80/112,462,885.20 = 44,742,168.80/x
  3. Step 3: Cross multiply
    74,975,256.80x = 112,462,885.20 × 44,742,168.80
  4. Step 4: Simplify right side
    74,975,256.80x = 5,031,833,393,353,422
  5. Step 5: Solve for x
    x = 5,031,833,393,353,422/74,975,256.80
  6. Step 6: Final answer
    x = 67,113,253.20

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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.