Home / 103,616,011.90-155,424,017.85-31,803,096.70

Finding the Fourth Proportional to 103,616,011.90, 155,424,017.85 and 31,803,096.70

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Solution

The fourth proportional to 103,616,011.90, 155,424,017.85 and 31,803,096.70 is: 47,704,645.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,616,011.90 : 155,424,017.85 = 31,803,096.70 : x
  2. Step 2: Convert to fraction form
    103,616,011.90/155,424,017.85 = 31,803,096.70/x
  3. Step 3: Cross multiply
    103,616,011.90x = 155,424,017.85 × 31,803,096.70
  4. Step 4: Simplify right side
    103,616,011.90x = 4,942,965,069,186,076
  5. Step 5: Solve for x
    x = 4,942,965,069,186,076/103,616,011.90
  6. Step 6: Final answer
    x = 47,704,645.05

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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.