Home / 140,363,931.80-210,559,967.40-48,235,536.20

Finding the Fourth Proportional to 140,363,931.80, 210,559,967.40 and 48,235,536.20

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Solution

The fourth proportional to 140,363,931.80, 210,559,967.40 and 48,235,536.20 is: 72,358,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,363,931.80 : 210,559,967.40 = 48,235,536.20 : x
  2. Step 2: Convert to fraction form
    140,363,931.80/210,559,967.40 = 48,235,536.20/x
  3. Step 3: Cross multiply
    140,363,931.80x = 210,559,967.40 × 48,235,536.20
  4. Step 4: Simplify right side
    140,363,931.80x = 10,156,472,929,793,520
  5. Step 5: Solve for x
    x = 10,156,472,929,793,520/140,363,931.80
  6. Step 6: Final answer
    x = 72,358,139.30

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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.