Home / 266,908,588.08-400,285,549.80-80,154,996.72

Finding the Fourth Proportional to 266,908,588.08, 400,285,549.80 and 80,154,996.72

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Solution

The fourth proportional to 266,908,588.08, 400,285,549.80 and 80,154,996.72 is: 120,209,271.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,908,588.08 : 400,285,549.80 = 80,154,996.72 : x
  2. Step 2: Convert to fraction form
    266,908,588.08/400,285,549.80 = 80,154,996.72/x
  3. Step 3: Cross multiply
    266,908,588.08x = 400,285,549.80 × 80,154,996.72
  4. Step 4: Simplify right side
    266,908,588.08x = 32,084,886,931,282,396
  5. Step 5: Solve for x
    x = 32,084,886,931,282,396/266,908,588.08
  6. Step 6: Final answer
    x = 120,209,271.50

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1.5x scale

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.