Home / 170,430,006.40-255,645,009.60-118,277,929.60

Finding the Fourth Proportional to 170,430,006.40, 255,645,009.60 and 118,277,929.60

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Solution

The fourth proportional to 170,430,006.40, 255,645,009.60 and 118,277,929.60 is: 177,416,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,430,006.40 : 255,645,009.60 = 118,277,929.60 : x
  2. Step 2: Convert to fraction form
    170,430,006.40/255,645,009.60 = 118,277,929.60/x
  3. Step 3: Cross multiply
    170,430,006.40x = 255,645,009.60 × 118,277,929.60
  4. Step 4: Simplify right side
    170,430,006.40x = 30,237,162,448,060,120
  5. Step 5: Solve for x
    x = 30,237,162,448,060,120/170,430,006.40
  6. Step 6: Final answer
    x = 177,416,894.40

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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.