Finding the Fourth Proportional to 306,920,580.48, 423,545,395.68 and 167,688,345.60
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Solution
The fourth proportional to 306,920,580.48, 423,545,395.68 and 167,688,345.60 is: 231,407,182.20
Step by Step Solution
- Step 1: Write the proportion equation
306,920,580.48 : 423,545,395.68 = 167,688,345.60 : x - Step 2: Convert to fraction form
306,920,580.48/423,545,395.68 = 167,688,345.60/x - Step 3: Cross multiply
306,920,580.48x = 423,545,395.68 × 167,688,345.60 - Step 4: Simplify right side
306,920,580.48x = 71,023,626,688,076,584 - Step 5: Solve for x
x = 71,023,626,688,076,584/306,920,580.48 - Step 6: Final answer
x = 231,407,182.20
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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.