Home / 170,424,005.40-255,636,008.10-105,800,779.80

Finding the Fourth Proportional to 170,424,005.40, 255,636,008.10 and 105,800,779.80

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Solution

The fourth proportional to 170,424,005.40, 255,636,008.10 and 105,800,779.80 is: 158,701,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,424,005.40 : 255,636,008.10 = 105,800,779.80 : x
  2. Step 2: Convert to fraction form
    170,424,005.40/255,636,008.10 = 105,800,779.80/x
  3. Step 3: Cross multiply
    170,424,005.40x = 255,636,008.10 × 105,800,779.80
  4. Step 4: Simplify right side
    170,424,005.40x = 27,046,489,001,939,116
  5. Step 5: Solve for x
    x = 27,046,489,001,939,116/170,424,005.40
  6. Step 6: Final answer
    x = 158,701,169.70

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1.5x scale

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.