Home / 40,186,870.80-60,280,306.20-39,903,435.60

Finding the Fourth Proportional to 40,186,870.80, 60,280,306.20 and 39,903,435.60

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Solution

The fourth proportional to 40,186,870.80, 60,280,306.20 and 39,903,435.60 is: 59,855,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,186,870.80 : 60,280,306.20 = 39,903,435.60 : x
  2. Step 2: Convert to fraction form
    40,186,870.80/60,280,306.20 = 39,903,435.60/x
  3. Step 3: Cross multiply
    40,186,870.80x = 60,280,306.20 × 39,903,435.60
  4. Step 4: Simplify right side
    40,186,870.80x = 2,405,391,316,399,981
  5. Step 5: Solve for x
    x = 2,405,391,316,399,981/40,186,870.80
  6. Step 6: Final answer
    x = 59,855,153.40

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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.