Home / 140,363,932.30-210,559,968.15-48,235,536.70

Finding the Fourth Proportional to 140,363,932.30, 210,559,968.15 and 48,235,536.70

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Solution

The fourth proportional to 140,363,932.30, 210,559,968.15 and 48,235,536.70 is: 72,358,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,363,932.30 : 210,559,968.15 = 48,235,536.70 : x
  2. Step 2: Convert to fraction form
    140,363,932.30/210,559,968.15 = 48,235,536.70/x
  3. Step 3: Cross multiply
    140,363,932.30x = 210,559,968.15 × 48,235,536.70
  4. Step 4: Simplify right side
    140,363,932.30x = 10,156,473,071,250,158
  5. Step 5: Solve for x
    x = 10,156,473,071,250,158/140,363,932.30
  6. Step 6: Final answer
    x = 72,358,140.05

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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.