Home / 140,225,862.42-210,343,078.69-48,108,308.31

Finding the Fourth Proportional to 140,225,862.42, 210,343,078.69 and 48,108,308.31

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Solution

The fourth proportional to 140,225,862.42, 210,343,078.69 and 48,108,308.31 is: 72,163,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,225,862.42 : 210,343,078.69 = 48,108,308.31 : x
  2. Step 2: Convert to fraction form
    140,225,862.42/210,343,078.69 = 48,108,308.31/x
  3. Step 3: Cross multiply
    140,225,862.42x = 210,343,078.69 × 48,108,308.31
  4. Step 4: Simplify right side
    140,225,862.42x = 10,119,249,680,372,840
  5. Step 5: Solve for x
    x = 10,119,249,680,372,840/140,225,862.42
  6. Step 6: Final answer
    x = 72,163,932.57

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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.