Finding the Fourth Proportional to 144,888,215.72, 199,927,577.58 and 97,947,410
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Solution
The fourth proportional to 144,888,215.72, 199,927,577.58 and 97,947,410 is: 135,155,149.19
Step by Step Solution
- Step 1: Write the proportion equation
144,888,215.72 : 199,927,577.58 = 97,947,410 : x - Step 2: Convert to fraction form
144,888,215.72/199,927,577.58 = 97,947,410/x - Step 3: Cross multiply
144,888,215.72x = 199,927,577.58 × 97,947,410 - Step 4: Simplify right side
144,888,215.72x = 19,582,388,411,535,068 - Step 5: Solve for x
x = 19,582,388,411,535,068/144,888,215.72 - Step 6: Final answer
x = 135,155,149.19
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1.5x scale
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.