Home / 288,401,854.95-432,602,787.89-70,050,725.80

Finding the Fourth Proportional to 288,401,854.95, 432,602,787.89 and 70,050,725.80

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Solution

The fourth proportional to 288,401,854.95, 432,602,787.89 and 70,050,725.80 is: 105,076,090.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,401,854.95 : 432,602,787.89 = 70,050,725.80 : x
  2. Step 2: Convert to fraction form
    288,401,854.95/432,602,787.89 = 70,050,725.80/x
  3. Step 3: Cross multiply
    288,401,854.95x = 432,602,787.89 × 70,050,725.80
  4. Step 4: Simplify right side
    288,401,854.95x = 30,304,139,273,891,568
  5. Step 5: Solve for x
    x = 30,304,139,273,891,568/288,401,854.95
  6. Step 6: Final answer
    x = 105,076,090.02

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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.