Home / 51,354,542.92-70,827,946.10-45,146,315.72

Finding the Fourth Proportional to 51,354,542.92, 70,827,946.10 and 45,146,315.72

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Solution

The fourth proportional to 51,354,542.92, 70,827,946.10 and 45,146,315.72 is: 62,265,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,354,542.92 : 70,827,946.10 = 45,146,315.72 : x
  2. Step 2: Convert to fraction form
    51,354,542.92/70,827,946.10 = 45,146,315.72/x
  3. Step 3: Cross multiply
    51,354,542.92x = 70,827,946.10 × 45,146,315.72
  4. Step 4: Simplify right side
    51,354,542.92x = 3,197,620,816,429,742.50
  5. Step 5: Solve for x
    x = 3,197,620,816,429,742.50/51,354,542.92
  6. Step 6: Final answer
    x = 62,265,588.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.