Home / 103,140,225,678.91-154,727,130,531.96-30,458,726,316.55

Finding the Fourth Proportional to 103,140,225,678.91, 154,727,130,531.96 and 30,458,726,316.55

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Solution

The fourth proportional to 103,140,225,678.91, 154,727,130,531.96 and 30,458,726,316.55 is: 45,693,048,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,140,225,678.91 : 154,727,130,531.96 = 30,458,726,316.55 : x
  2. Step 2: Convert to fraction form
    103,140,225,678.91/154,727,130,531.96 = 30,458,726,316.55/x
  3. Step 3: Cross multiply
    103,140,225,678.91x = 154,727,130,531.96 × 30,458,726,316.55
  4. Step 4: Simplify right side
    103,140,225,678.91x = 4,712,791,322,618,076,594,176
  5. Step 5: Solve for x
    x = 4,712,791,322,618,076,594,176/103,140,225,678.91
  6. Step 6: Final answer
    x = 45,693,048,387.25

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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.