Finding the Fourth Proportional to 91,291,784.58, 125,995,581.90 and 56,495,684.70
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Solution
The fourth proportional to 91,291,784.58, 125,995,581.90 and 56,495,684.70 is: 77,972,039.89
Step by Step Solution
- Step 1: Write the proportion equation
91,291,784.58 : 125,995,581.90 = 56,495,684.70 : x - Step 2: Convert to fraction form
91,291,784.58/125,995,581.90 = 56,495,684.70/x - Step 3: Cross multiply
91,291,784.58x = 125,995,581.90 × 56,495,684.70 - Step 4: Simplify right side
91,291,784.58x = 7,118,206,668,615,428 - Step 5: Solve for x
x = 7,118,206,668,615,428/91,291,784.58 - Step 6: Final answer
x = 77,972,039.89
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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.