Finding the Fourth Proportional to 118,577,030.04, 163,599,013.98 and 66,357,768.60
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Solution
The fourth proportional to 118,577,030.04, 163,599,013.98 and 66,357,768.60 is: 91,552,853.95
Step by Step Solution
- Step 1: Write the proportion equation
118,577,030.04 : 163,599,013.98 = 66,357,768.60 : x - Step 2: Convert to fraction form
118,577,030.04/163,599,013.98 = 66,357,768.60/x - Step 3: Cross multiply
118,577,030.04x = 163,599,013.98 × 66,357,768.60 - Step 4: Simplify right side
118,577,030.04x = 10,856,065,512,873,004 - Step 5: Solve for x
x = 10,856,065,512,873,004/118,577,030.04 - Step 6: Final answer
x = 91,552,853.95
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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.