Finding the Fourth Proportional to 70,395,494.40, 97,145,991.52 and 39,035,752.63
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Solution
The fourth proportional to 70,395,494.40, 97,145,991.52 and 39,035,752.63 is: 53,869,454.66
Step by Step Solution
- Step 1: Write the proportion equation
70,395,494.40 : 97,145,991.52 = 39,035,752.63 : x - Step 2: Convert to fraction form
70,395,494.40/97,145,991.52 = 39,035,752.63/x - Step 3: Cross multiply
70,395,494.40x = 97,145,991.52 × 39,035,752.63 - Step 4: Simplify right side
70,395,494.40x = 3,792,166,893,630,343 - Step 5: Solve for x
x = 3,792,166,893,630,343/70,395,494.40 - Step 6: Final answer
x = 53,869,454.66
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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.