Home / 30,119,168.32-41,549,155.23-19,671,300.70

Finding the Fourth Proportional to 30,119,168.32, 41,549,155.23 and 19,671,300.70

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Solution

The fourth proportional to 30,119,168.32, 41,549,155.23 and 19,671,300.70 is: 27,136,404.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119,168.32 : 41,549,155.23 = 19,671,300.70 : x
  2. Step 2: Convert to fraction form
    30,119,168.32/41,549,155.23 = 19,671,300.70/x
  3. Step 3: Cross multiply
    30,119,168.32x = 41,549,155.23 × 19,671,300.70
  4. Step 4: Simplify right side
    30,119,168.32x = 817,325,926,330,202.25
  5. Step 5: Solve for x
    x = 817,325,926,330,202.25/30,119,168.32
  6. Step 6: Final answer
    x = 27,136,404.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.