Home / 155,196,020.17-214,175,678.15-84,635,480.27

Finding the Fourth Proportional to 155,196,020.17, 214,175,678.15 and 84,635,480.27

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Solution

The fourth proportional to 155,196,020.17, 214,175,678.15 and 84,635,480.27 is: 116,799,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,196,020.17 : 214,175,678.15 = 84,635,480.27 : x
  2. Step 2: Convert to fraction form
    155,196,020.17/214,175,678.15 = 84,635,480.27/x
  3. Step 3: Cross multiply
    155,196,020.17x = 214,175,678.15 × 84,635,480.27
  4. Step 4: Simplify right side
    155,196,020.17x = 18,126,861,382,886,548
  5. Step 5: Solve for x
    x = 18,126,861,382,886,548/155,196,020.17
  6. Step 6: Final answer
    x = 116,799,782.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.