Home / 170,427,813.40-255,641,720.10-105,804,587.80

Finding the Fourth Proportional to 170,427,813.40, 255,641,720.10 and 105,804,587.80

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Solution

The fourth proportional to 170,427,813.40, 255,641,720.10 and 105,804,587.80 is: 158,706,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,427,813.40 : 255,641,720.10 = 105,804,587.80 : x
  2. Step 2: Convert to fraction form
    170,427,813.40/255,641,720.10 = 105,804,587.80/x
  3. Step 3: Cross multiply
    170,427,813.40x = 255,641,720.10 × 105,804,587.80
  4. Step 4: Simplify right side
    170,427,813.40x = 27,048,066,819,663,472
  5. Step 5: Solve for x
    x = 27,048,066,819,663,472/170,427,813.40
  6. Step 6: Final answer
    x = 158,706,881.70

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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.