Home / 249,371,981.40-374,066,525.70-76,847,424.60

Finding the Fourth Proportional to 249,371,981.40, 374,066,525.70 and 76,847,424.60

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Solution

The fourth proportional to 249,371,981.40, 374,066,525.70 and 76,847,424.60 is: 115,273,772.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,371,981.40 : 374,066,525.70 = 76,847,424.60 : x
  2. Step 2: Convert to fraction form
    249,371,981.40/374,066,525.70 = 76,847,424.60/x
  3. Step 3: Cross multiply
    249,371,981.40x = 374,066,525.70 × 76,847,424.60
  4. Step 4: Simplify right side
    249,371,981.40x = 28,746,049,129,114,708
  5. Step 5: Solve for x
    x = 28,746,049,129,114,708/249,371,981.40
  6. Step 6: Final answer
    x = 115,273,772.81

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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.