Home / 155,139,368.80-232,709,053.20-47,433,992.80

Finding the Fourth Proportional to 155,139,368.80, 232,709,053.20 and 47,433,992.80

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Solution

The fourth proportional to 155,139,368.80, 232,709,053.20 and 47,433,992.80 is: 71,150,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,139,368.80 : 232,709,053.20 = 47,433,992.80 : x
  2. Step 2: Convert to fraction form
    155,139,368.80/232,709,053.20 = 47,433,992.80/x
  3. Step 3: Cross multiply
    155,139,368.80x = 232,709,053.20 × 47,433,992.80
  4. Step 4: Simplify right side
    155,139,368.80x = 11,038,319,553,983,616
  5. Step 5: Solve for x
    x = 11,038,319,553,983,616/155,139,368.80
  6. Step 6: Final answer
    x = 71,150,989.20

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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.