Home / 311,980,075.04-430,980,954.58-249,173,713.34

Finding the Fourth Proportional to 311,980,075.04, 430,980,954.58 and 249,173,713.34

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Solution

The fourth proportional to 311,980,075.04, 430,980,954.58 and 249,173,713.34 is: 344,217,895.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,980,075.04 : 430,980,954.58 = 249,173,713.34 : x
  2. Step 2: Convert to fraction form
    311,980,075.04/430,980,954.58 = 249,173,713.34/x
  3. Step 3: Cross multiply
    311,980,075.04x = 430,980,954.58 × 249,173,713.34
  4. Step 4: Simplify right side
    311,980,075.04x = 107,389,124,831,516,480
  5. Step 5: Solve for x
    x = 107,389,124,831,516,480/311,980,075.04
  6. Step 6: Final answer
    x = 344,217,895.38

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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.