Home / 98,379,451.08-147,470,417.28-33,638,980.32

Finding the Fourth Proportional to 98,379,451.08, 147,470,417.28 and 33,638,980.32

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Solution

The fourth proportional to 98,379,451.08, 147,470,417.28 and 33,638,980.32 is: 50,424,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,379,451.08 : 147,470,417.28 = 33,638,980.32 : x
  2. Step 2: Convert to fraction form
    98,379,451.08/147,470,417.28 = 33,638,980.32/x
  3. Step 3: Cross multiply
    98,379,451.08x = 147,470,417.28 × 33,638,980.32
  4. Step 4: Simplify right side
    98,379,451.08x = 4,960,754,464,664,108
  5. Step 5: Solve for x
    x = 4,960,754,464,664,108/98,379,451.08
  6. Step 6: Final answer
    x = 50,424,701.60

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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.