Home / 140,224,211.40-210,336,317.10-79,758,035.40

Finding the Fourth Proportional to 140,224,211.40, 210,336,317.10 and 79,758,035.40

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Solution

The fourth proportional to 140,224,211.40, 210,336,317.10 and 79,758,035.40 is: 119,637,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,224,211.40 : 210,336,317.10 = 79,758,035.40 : x
  2. Step 2: Convert to fraction form
    140,224,211.40/210,336,317.10 = 79,758,035.40/x
  3. Step 3: Cross multiply
    140,224,211.40x = 210,336,317.10 × 79,758,035.40
  4. Step 4: Simplify right side
    140,224,211.40x = 16,776,011,425,167,426
  5. Step 5: Solve for x
    x = 16,776,011,425,167,426/140,224,211.40
  6. Step 6: Final answer
    x = 119,637,053.10

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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.