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Finding the Fourth Proportional to 210,368,410.40, 315,403,316.40 and 95,408,026.40

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Solution

The fourth proportional to 210,368,410.40, 315,403,316.40 and 95,408,026.40 is: 143,044,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,368,410.40 : 315,403,316.40 = 95,408,026.40 : x
  2. Step 2: Convert to fraction form
    210,368,410.40/315,403,316.40 = 95,408,026.40/x
  3. Step 3: Cross multiply
    210,368,410.40x = 315,403,316.40 × 95,408,026.40
  4. Step 4: Simplify right side
    210,368,410.40x = 30,092,007,937,738,752
  5. Step 5: Solve for x
    x = 30,092,007,937,738,752/210,368,410.40
  6. Step 6: Final answer
    x = 143,044,328.19

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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.