Finding the Fourth Proportional to 145,812,457.92, 201,126,386.16 and 93,518,663.52
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Solution
The fourth proportional to 145,812,457.92, 201,126,386.16 and 93,518,663.52 is: 128,994,950.78
Step by Step Solution
- Step 1: Write the proportion equation
145,812,457.92 : 201,126,386.16 = 93,518,663.52 : x - Step 2: Convert to fraction form
145,812,457.92/201,126,386.16 = 93,518,663.52/x - Step 3: Cross multiply
145,812,457.92x = 201,126,386.16 × 93,518,663.52 - Step 4: Simplify right side
145,812,457.92x = 18,809,070,832,290,624 - Step 5: Solve for x
x = 18,809,070,832,290,624/145,812,457.92 - Step 6: Final answer
x = 128,994,950.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.