Home / 103,633,779.90-155,450,669.85-49,768,103.10

Finding the Fourth Proportional to 103,633,779.90, 155,450,669.85 and 49,768,103.10

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Solution

The fourth proportional to 103,633,779.90, 155,450,669.85 and 49,768,103.10 is: 74,652,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633,779.90 : 155,450,669.85 = 49,768,103.10 : x
  2. Step 2: Convert to fraction form
    103,633,779.90/155,450,669.85 = 49,768,103.10/x
  3. Step 3: Cross multiply
    103,633,779.90x = 155,450,669.85 × 49,768,103.10
  4. Step 4: Simplify right side
    103,633,779.90x = 7,736,484,964,058,861
  5. Step 5: Solve for x
    x = 7,736,484,964,058,861/103,633,779.90
  6. Step 6: Final answer
    x = 74,652,154.65

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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.