Home / 155,139,232.80-232,708,849.20-109,222,730.40

Finding the Fourth Proportional to 155,139,232.80, 232,708,849.20 and 109,222,730.40

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Solution

The fourth proportional to 155,139,232.80, 232,708,849.20 and 109,222,730.40 is: 163,834,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,139,232.80 : 232,708,849.20 = 109,222,730.40 : x
  2. Step 2: Convert to fraction form
    155,139,232.80/232,708,849.20 = 109,222,730.40/x
  3. Step 3: Cross multiply
    155,139,232.80x = 232,708,849.20 × 109,222,730.40
  4. Step 4: Simplify right side
    155,139,232.80x = 25,417,095,897,865,856
  5. Step 5: Solve for x
    x = 25,417,095,897,865,856/155,139,232.80
  6. Step 6: Final answer
    x = 163,834,095.60

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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.