Finding the Fourth Proportional to 130,506,750.91, 180,048,343.57 and 74,722,357.95
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Solution
The fourth proportional to 130,506,750.91, 180,048,343.57 and 74,722,357.95 is: 103,087,669.28
Step by Step Solution
- Step 1: Write the proportion equation
130,506,750.91 : 180,048,343.57 = 74,722,357.95 : x - Step 2: Convert to fraction form
130,506,750.91/180,048,343.57 = 74,722,357.95/x - Step 3: Cross multiply
130,506,750.91x = 180,048,343.57 × 74,722,357.95 - Step 4: Simplify right side
130,506,750.91x = 13,453,636,776,542,120 - Step 5: Solve for x
x = 13,453,636,776,542,120/130,506,750.91 - Step 6: Final answer
x = 103,087,669.28
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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.