Finding the Fourth Proportional to 97,211,386,978.04, 134,148,801,686.78 and 53,809,450,868.23
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Solution
The fourth proportional to 97,211,386,978.04, 134,148,801,686.78 and 53,809,450,868.23 is: 74,255,430,128.02
Step by Step Solution
- Step 1: Write the proportion equation
97,211,386,978.04 : 134,148,801,686.78 = 53,809,450,868.23 : x - Step 2: Convert to fraction form
97,211,386,978.04/134,148,801,686.78 = 53,809,450,868.23/x - Step 3: Cross multiply
97,211,386,978.04x = 134,148,801,686.78 × 53,809,450,868.23 - Step 4: Simplify right side
97,211,386,978.04x = 7,218,473,353,396,046,790,656 - Step 5: Solve for x
x = 7,218,473,353,396,046,790,656/97,211,386,978.04 - Step 6: Final answer
x = 74,255,430,128.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.