Home / 375,624,005.20-563,436,007.80-103,022,328.40

Finding the Fourth Proportional to 375,624,005.20, 563,436,007.80 and 103,022,328.40

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Solution

The fourth proportional to 375,624,005.20, 563,436,007.80 and 103,022,328.40 is: 154,533,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,624,005.20 : 563,436,007.80 = 103,022,328.40 : x
  2. Step 2: Convert to fraction form
    375,624,005.20/563,436,007.80 = 103,022,328.40/x
  3. Step 3: Cross multiply
    375,624,005.20x = 563,436,007.80 × 103,022,328.40
  4. Step 4: Simplify right side
    375,624,005.20x = 58,046,489,427,956,560
  5. Step 5: Solve for x
    x = 58,046,489,427,956,560/375,624,005.20
  6. Step 6: Final answer
    x = 154,533,492.60

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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.