Finding the Fourth Proportional to 315,615,355.71, 435,562,642.04 and 176,386,113.37
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Solution
The fourth proportional to 315,615,355.71, 435,562,642.04 and 176,386,113.37 is: 243,420,353.82
Step by Step Solution
- Step 1: Write the proportion equation
315,615,355.71 : 435,562,642.04 = 176,386,113.37 : x - Step 2: Convert to fraction form
315,615,355.71/435,562,642.04 = 176,386,113.37/x - Step 3: Cross multiply
315,615,355.71x = 435,562,642.04 × 176,386,113.37 - Step 4: Simplify right side
315,615,355.71x = 76,827,201,558,266,704 - Step 5: Solve for x
x = 76,827,201,558,266,704/315,615,355.71 - Step 6: Final answer
x = 243,420,353.82
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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.