Home / 141,788,658.80-212,689,986.60-73,764,210.80

Finding the Fourth Proportional to 141,788,658.80, 212,689,986.60 and 73,764,210.80

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Solution

The fourth proportional to 141,788,658.80, 212,689,986.60 and 73,764,210.80 is: 110,649,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,788,658.80 : 212,689,986.60 = 73,764,210.80 : x
  2. Step 2: Convert to fraction form
    141,788,658.80/212,689,986.60 = 73,764,210.80/x
  3. Step 3: Cross multiply
    141,788,658.80x = 212,689,986.60 × 73,764,210.80
  4. Step 4: Simplify right side
    141,788,658.80x = 15,688,909,006,611,574
  5. Step 5: Solve for x
    x = 15,688,909,006,611,574/141,788,658.80
  6. Step 6: Final answer
    x = 110,649,957.05

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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.