Finding the Fourth Proportional to 70,979,448.28, 106,458,493.26 and 19,854,840.28
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Solution
The fourth proportional to 70,979,448.28, 106,458,493.26 and 19,854,840.28 is: 29,779,273.17
Step by Step Solution
- Step 1: Write the proportion equation
70,979,448.28 : 106,458,493.26 = 19,854,840.28 : x - Step 2: Convert to fraction form
70,979,448.28/106,458,493.26 = 19,854,840.28/x - Step 3: Cross multiply
70,979,448.28x = 106,458,493.26 × 19,854,840.28 - Step 4: Simplify right side
70,979,448.28x = 2,113,716,380,126,756.75 - Step 5: Solve for x
x = 2,113,716,380,126,756.75/70,979,448.28 - Step 6: Final answer
x = 29,779,273.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.