Finding the Fourth Proportional to 119,038,995.12, 164,291,742.16 and 72,656,202.40
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Solution
The fourth proportional to 119,038,995.12, 164,291,742.16 and 72,656,202.40 is: 100,276,502.33
Step by Step Solution
- Step 1: Write the proportion equation
119,038,995.12 : 164,291,742.16 = 72,656,202.40 : x - Step 2: Convert to fraction form
119,038,995.12/164,291,742.16 = 72,656,202.40/x - Step 3: Cross multiply
119,038,995.12x = 164,291,742.16 × 72,656,202.40 - Step 4: Simplify right side
119,038,995.12x = 11,936,814,071,025,574 - Step 5: Solve for x
x = 11,936,814,071,025,574/119,038,995.12 - Step 6: Final answer
x = 100,276,502.33
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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.