Finding the Fourth Proportional to 63,078,472.98, 87,087,698.37 and 48,365,860.59
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Solution
The fourth proportional to 63,078,472.98, 87,087,698.37 and 48,365,860.59 is: 66,775,102.18
Step by Step Solution
- Step 1: Write the proportion equation
63,078,472.98 : 87,087,698.37 = 48,365,860.59 : x - Step 2: Convert to fraction form
63,078,472.98/87,087,698.37 = 48,365,860.59/x - Step 3: Cross multiply
63,078,472.98x = 87,087,698.37 × 48,365,860.59 - Step 4: Simplify right side
63,078,472.98x = 4,212,071,478,467,391 - Step 5: Solve for x
x = 4,212,071,478,467,391/63,078,472.98 - Step 6: Final answer
x = 66,775,102.18
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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.