Home / 141,186,820.77-211,792,430.57-38,950,858.40

Finding the Fourth Proportional to 141,186,820.77, 211,792,430.57 and 38,950,858.40

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Solution

The fourth proportional to 141,186,820.77, 211,792,430.57 and 38,950,858.40 is: 58,429,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,186,820.77 : 211,792,430.57 = 38,950,858.40 : x
  2. Step 2: Convert to fraction form
    141,186,820.77/211,792,430.57 = 38,950,858.40/x
  3. Step 3: Cross multiply
    141,186,820.77x = 211,792,430.57 × 38,950,858.40
  4. Step 4: Simplify right side
    141,186,820.77x = 8,249,496,972,070,185
  5. Step 5: Solve for x
    x = 8,249,496,972,070,185/141,186,820.77
  6. Step 6: Final answer
    x = 58,429,653.19

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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.