Home / 105,463,455.74-145,540,733.10-58,421,249.90

Finding the Fourth Proportional to 105,463,455.74, 145,540,733.10 and 58,421,249.90

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Solution

The fourth proportional to 105,463,455.74, 145,540,733.10 and 58,421,249.90 is: 80,621,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,463,455.74 : 145,540,733.10 = 58,421,249.90 : x
  2. Step 2: Convert to fraction form
    105,463,455.74/145,540,733.10 = 58,421,249.90/x
  3. Step 3: Cross multiply
    105,463,455.74x = 145,540,733.10 × 58,421,249.90
  4. Step 4: Simplify right side
    105,463,455.74x = 8,502,671,539,064,301
  5. Step 5: Solve for x
    x = 8,502,671,539,064,301/105,463,455.74
  6. Step 6: Final answer
    x = 80,621,969.76

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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.