Home / 145,617,201.03-200,950,542.99-79,537,741.50

Finding the Fourth Proportional to 145,617,201.03, 200,950,542.99 and 79,537,741.50

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Solution

The fourth proportional to 145,617,201.03, 200,950,542.99 and 79,537,741.50 is: 109,761,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,617,201.03 : 200,950,542.99 = 79,537,741.50 : x
  2. Step 2: Convert to fraction form
    145,617,201.03/200,950,542.99 = 79,537,741.50/x
  3. Step 3: Cross multiply
    145,617,201.03x = 200,950,542.99 × 79,537,741.50
  4. Step 4: Simplify right side
    145,617,201.03x = 15,983,152,342,623,258
  5. Step 5: Solve for x
    x = 15,983,152,342,623,258/145,617,201.03
  6. Step 6: Final answer
    x = 109,761,430.86

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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.