Home / 103,616,001.90-155,424,002.85-31,803,086.70

Finding the Fourth Proportional to 103,616,001.90, 155,424,002.85 and 31,803,086.70

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Solution

The fourth proportional to 103,616,001.90, 155,424,002.85 and 31,803,086.70 is: 47,704,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,616,001.90 : 155,424,002.85 = 31,803,086.70 : x
  2. Step 2: Convert to fraction form
    103,616,001.90/155,424,002.85 = 31,803,086.70/x
  3. Step 3: Cross multiply
    103,616,001.90x = 155,424,002.85 × 31,803,086.70
  4. Step 4: Simplify right side
    103,616,001.90x = 4,942,963,037,899,597
  5. Step 5: Solve for x
    x = 4,942,963,037,899,597/103,616,001.90
  6. Step 6: Final answer
    x = 47,704,630.05

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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.