Finding the Fourth Proportional to 98,681,176.88, 136,181,629.36 and 54,026,398.52
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Solution
The fourth proportional to 98,681,176.88, 136,181,629.36 and 54,026,398.52 is: 74,557,308.82
Step by Step Solution
- Step 1: Write the proportion equation
98,681,176.88 : 136,181,629.36 = 54,026,398.52 : x - Step 2: Convert to fraction form
98,681,176.88/136,181,629.36 = 54,026,398.52/x - Step 3: Cross multiply
98,681,176.88x = 136,181,629.36 × 54,026,398.52 - Step 4: Simplify right side
98,681,176.88x = 7,357,402,979,417,807 - Step 5: Solve for x
x = 7,357,402,979,417,807/98,681,176.88 - Step 6: Final answer
x = 74,557,308.82
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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.