Home / 99,077,147.40-148,137,424.20-73,249,114.80

Finding the Fourth Proportional to 99,077,147.40, 148,137,424.20 and 73,249,114.80

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Solution

The fourth proportional to 99,077,147.40, 148,137,424.20 and 73,249,114.80 is: 109,520,060.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,077,147.40 : 148,137,424.20 = 73,249,114.80 : x
  2. Step 2: Convert to fraction form
    99,077,147.40/148,137,424.20 = 73,249,114.80/x
  3. Step 3: Cross multiply
    99,077,147.40x = 148,137,424.20 × 73,249,114.80
  4. Step 4: Simplify right side
    99,077,147.40x = 10,850,935,191,402,096
  5. Step 5: Solve for x
    x = 10,850,935,191,402,096/99,077,147.40
  6. Step 6: Final answer
    x = 109,520,060.64

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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.