Finding the Fourth Proportional to 107,008,731.51, 147,681,156.74 and 60,607,239.99
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Solution
The fourth proportional to 107,008,731.51, 147,681,156.74 and 60,607,239.99 is: 83,643,149.32
Step by Step Solution
- Step 1: Write the proportion equation
107,008,731.51 : 147,681,156.74 = 60,607,239.99 : x - Step 2: Convert to fraction form
107,008,731.51/147,681,156.74 = 60,607,239.99/x - Step 3: Cross multiply
107,008,731.51x = 147,681,156.74 × 60,607,239.99 - Step 4: Simplify right side
107,008,731.51x = 8,950,547,308,238,951 - Step 5: Solve for x
x = 8,950,547,308,238,951/107,008,731.51 - Step 6: Final answer
x = 83,643,149.32
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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.