Finding the Fourth Proportional to 124,918,620,482.09, 187,368,765,777.74 and 39,905,588,989.79
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Solution
The fourth proportional to 124,918,620,482.09, 187,368,765,777.74 and 39,905,588,989.79 is: 59,855,455,718.26
Step by Step Solution
- Step 1: Write the proportion equation
124,918,620,482.09 : 187,368,765,777.74 = 39,905,588,989.79 : x - Step 2: Convert to fraction form
124,918,620,482.09/187,368,765,777.74 = 39,905,588,989.79/x - Step 3: Cross multiply
124,918,620,482.09x = 187,368,765,777.74 × 39,905,588,989.79 - Step 4: Simplify right side
124,918,620,482.09x = 7,477,060,956,651,471,765,504 - Step 5: Solve for x
x = 7,477,060,956,651,471,765,504/124,918,620,482.09 - Step 6: Final answer
x = 59,855,455,718.26
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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.