Finding the Fourth Proportional to 64,696,128,113.72, 97,054,620,068.12 and 19,927,603,992.53
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Solution
The fourth proportional to 64,696,128,113.72, 97,054,620,068.12 and 19,927,603,992.53 is: 29,894,617,974.09
Step by Step Solution
- Step 1: Write the proportion equation
64,696,128,113.72 : 97,054,620,068.12 = 19,927,603,992.53 : x - Step 2: Convert to fraction form
64,696,128,113.72/97,054,620,068.12 = 19,927,603,992.53/x - Step 3: Cross multiply
64,696,128,113.72x = 97,054,620,068.12 × 19,927,603,992.53 - Step 4: Simplify right side
64,696,128,113.72x = 1,934,066,034,362,365,771,776 - Step 5: Solve for x
x = 1,934,066,034,362,365,771,776/64,696,128,113.72 - Step 6: Final answer
x = 29,894,617,974.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.