Finding the Fourth Proportional to 119,539,289.76, 165,005,491.12 and 69,995,587.68
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Solution
The fourth proportional to 119,539,289.76, 165,005,491.12 and 69,995,587.68 is: 96,618,077.16
Step by Step Solution
- Step 1: Write the proportion equation
119,539,289.76 : 165,005,491.12 = 69,995,587.68 : x - Step 2: Convert to fraction form
119,539,289.76/165,005,491.12 = 69,995,587.68/x - Step 3: Cross multiply
119,539,289.76x = 165,005,491.12 × 69,995,587.68 - Step 4: Simplify right side
119,539,289.76x = 11,549,656,321,371,422 - Step 5: Solve for x
x = 11,549,656,321,371,422/119,539,289.76 - Step 6: Final answer
x = 96,618,077.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.