Finding the Fourth Proportional to 86,688,300.75, 130,012,552.98 and 51,683,319.99
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Solution
The fourth proportional to 86,688,300.75, 130,012,552.98 and 51,683,319.99 is: 77,513,116.77
Step by Step Solution
- Step 1: Write the proportion equation
86,688,300.75 : 130,012,552.98 = 51,683,319.99 : x - Step 2: Convert to fraction form
86,688,300.75/130,012,552.98 = 51,683,319.99/x - Step 3: Cross multiply
86,688,300.75x = 130,012,552.98 × 51,683,319.99 - Step 4: Simplify right side
86,688,300.75x = 6,719,480,378,382,169 - Step 5: Solve for x
x = 6,719,480,378,382,169/86,688,300.75 - Step 6: Final answer
x = 77,513,116.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.