Home / 210,130,851.80-315,196,277.70-73,816,235.30

Finding the Fourth Proportional to 210,130,851.80, 315,196,277.70 and 73,816,235.30

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Solution

The fourth proportional to 210,130,851.80, 315,196,277.70 and 73,816,235.30 is: 110,724,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,130,851.80 : 315,196,277.70 = 73,816,235.30 : x
  2. Step 2: Convert to fraction form
    210,130,851.80/315,196,277.70 = 73,816,235.30/x
  3. Step 3: Cross multiply
    210,130,851.80x = 315,196,277.70 × 73,816,235.30
  4. Step 4: Simplify right side
    210,130,851.80x = 23,266,602,600,387,340
  5. Step 5: Solve for x
    x = 23,266,602,600,387,340/210,130,851.80
  6. Step 6: Final answer
    x = 110,724,352.95

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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.