Home / 80,315,561.80-120,473,342.70-26,455,875.40

Finding the Fourth Proportional to 80,315,561.80, 120,473,342.70 and 26,455,875.40

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Solution

The fourth proportional to 80,315,561.80, 120,473,342.70 and 26,455,875.40 is: 39,683,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,315,561.80 : 120,473,342.70 = 26,455,875.40 : x
  2. Step 2: Convert to fraction form
    80,315,561.80/120,473,342.70 = 26,455,875.40/x
  3. Step 3: Cross multiply
    80,315,561.80x = 120,473,342.70 × 26,455,875.40
  4. Step 4: Simplify right side
    80,315,561.80x = 3,187,227,743,492,699.50
  5. Step 5: Solve for x
    x = 3,187,227,743,492,699.50/80,315,561.80
  6. Step 6: Final answer
    x = 39,683,813.10

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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.