Finding the Fourth Proportional to 118,698,972.48, 163,805,543.96 and 65,776,564.26
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Solution
The fourth proportional to 118,698,972.48, 163,805,543.96 and 65,776,564.26 is: 90,772,191.73
Step by Step Solution
- Step 1: Write the proportion equation
118,698,972.48 : 163,805,543.96 = 65,776,564.26 : x - Step 2: Convert to fraction form
118,698,972.48/163,805,543.96 = 65,776,564.26/x - Step 3: Cross multiply
118,698,972.48x = 163,805,543.96 × 65,776,564.26 - Step 4: Simplify right side
118,698,972.48x = 10,774,565,888,100,312 - Step 5: Solve for x
x = 10,774,565,888,100,312/118,698,972.48 - Step 6: Final answer
x = 90,772,191.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.