Home / 302,430,004.80-453,645,007.20-87,019,252.80

Finding the Fourth Proportional to 302,430,004.80, 453,645,007.20 and 87,019,252.80

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Solution

The fourth proportional to 302,430,004.80, 453,645,007.20 and 87,019,252.80 is: 130,528,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,430,004.80 : 453,645,007.20 = 87,019,252.80 : x
  2. Step 2: Convert to fraction form
    302,430,004.80/453,645,007.20 = 87,019,252.80/x
  3. Step 3: Cross multiply
    302,430,004.80x = 453,645,007.20 × 87,019,252.80
  4. Step 4: Simplify right side
    302,430,004.80x = 39,475,849,562,994,616
  5. Step 5: Solve for x
    x = 39,475,849,562,994,616/302,430,004.80
  6. Step 6: Final answer
    x = 130,528,879.20

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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.