Finding the Fourth Proportional to 102,155,476.04, 140,977,534.08 and 55,748,719.08
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Solution
The fourth proportional to 102,155,476.04, 140,977,534.08 and 55,748,719.08 is: 76,934,857.03
Step by Step Solution
- Step 1: Write the proportion equation
102,155,476.04 : 140,977,534.08 = 55,748,719.08 : x - Step 2: Convert to fraction form
102,155,476.04/140,977,534.08 = 55,748,719.08/x - Step 3: Cross multiply
102,155,476.04x = 140,977,534.08 × 55,748,719.08 - Step 4: Simplify right side
102,155,476.04x = 7,859,316,944,017,047 - Step 5: Solve for x
x = 7,859,316,944,017,047/102,155,476.04 - Step 6: Final answer
x = 76,934,857.03
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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.