Home / 291,135,563.64-436,854,484.02-118,738,855.80

Finding the Fourth Proportional to 291,135,563.64, 436,854,484.02 and 118,738,855.80

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Solution

The fourth proportional to 291,135,563.64, 436,854,484.02 and 118,738,855.80 is: 178,169,925.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,135,563.64 : 436,854,484.02 = 118,738,855.80 : x
  2. Step 2: Convert to fraction form
    291,135,563.64/436,854,484.02 = 118,738,855.80/x
  3. Step 3: Cross multiply
    291,135,563.64x = 436,854,484.02 × 118,738,855.80
  4. Step 4: Simplify right side
    291,135,563.64x = 51,871,601,583,634,184
  5. Step 5: Solve for x
    x = 51,871,601,583,634,184/291,135,563.64
  6. Step 6: Final answer
    x = 178,169,925.15

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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.