Home / 139,968,692.30-209,953,038.45-122,962,580.30

Finding the Fourth Proportional to 139,968,692.30, 209,953,038.45 and 122,962,580.30

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Solution

The fourth proportional to 139,968,692.30, 209,953,038.45 and 122,962,580.30 is: 184,443,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,692.30 : 209,953,038.45 = 122,962,580.30 : x
  2. Step 2: Convert to fraction form
    139,968,692.30/209,953,038.45 = 122,962,580.30/x
  3. Step 3: Cross multiply
    139,968,692.30x = 209,953,038.45 × 122,962,580.30
  4. Step 4: Simplify right side
    139,968,692.30x = 25,816,367,349,637,112
  5. Step 5: Solve for x
    x = 25,816,367,349,637,112/139,968,692.30
  6. Step 6: Final answer
    x = 184,443,870.45

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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.