Finding the Fourth Proportional to 249,621,788.26, 374,483,750.56 and 85,838,274.06
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Solution
The fourth proportional to 249,621,788.26, 374,483,750.56 and 85,838,274.06 is: 128,774,972.08
Step by Step Solution
- Step 1: Write the proportion equation
249,621,788.26 : 374,483,750.56 = 85,838,274.06 : x - Step 2: Convert to fraction form
249,621,788.26/374,483,750.56 = 85,838,274.06/x - Step 3: Cross multiply
249,621,788.26x = 374,483,750.56 × 85,838,274.06 - Step 4: Simplify right side
249,621,788.26x = 32,145,038,812,556,792 - Step 5: Solve for x
x = 32,145,038,812,556,792/249,621,788.26 - Step 6: Final answer
x = 128,774,972.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.