Finding the Fourth Proportional to 70,946,494.48, 106,419,964.44 and 19,828,176.40
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Solution
The fourth proportional to 70,946,494.48, 106,419,964.44 and 19,828,176.40 is: 29,742,326.85
Step by Step Solution
- Step 1: Write the proportion equation
70,946,494.48 : 106,419,964.44 = 19,828,176.40 : x - Step 2: Convert to fraction form
70,946,494.48/106,419,964.44 = 19,828,176.40/x - Step 3: Cross multiply
70,946,494.48x = 106,419,964.44 × 19,828,176.40 - Step 4: Simplify right side
70,946,494.48x = 2,110,113,827,398,047 - Step 5: Solve for x
x = 2,110,113,827,398,047/70,946,494.48 - Step 6: Final answer
x = 29,742,326.85
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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.