Home / 52,318,271.40-78,477,407.10-40,968,421.80

Finding the Fourth Proportional to 52,318,271.40, 78,477,407.10 and 40,968,421.80

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Solution

The fourth proportional to 52,318,271.40, 78,477,407.10 and 40,968,421.80 is: 61,452,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,318,271.40 : 78,477,407.10 = 40,968,421.80 : x
  2. Step 2: Convert to fraction form
    52,318,271.40/78,477,407.10 = 40,968,421.80/x
  3. Step 3: Cross multiply
    52,318,271.40x = 78,477,407.10 × 40,968,421.80
  4. Step 4: Simplify right side
    52,318,271.40x = 3,215,095,515,843,114.50
  5. Step 5: Solve for x
    x = 3,215,095,515,843,114.50/52,318,271.40
  6. Step 6: Final answer
    x = 61,452,632.70

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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.