Home / 124,485,312.90-186,601,998.15-73,341,005.70

Finding the Fourth Proportional to 124,485,312.90, 186,601,998.15 and 73,341,005.70

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Solution

The fourth proportional to 124,485,312.90, 186,601,998.15 and 73,341,005.70 is: 109,937,292.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,485,312.90 : 186,601,998.15 = 73,341,005.70 : x
  2. Step 2: Convert to fraction form
    124,485,312.90/186,601,998.15 = 73,341,005.70/x
  3. Step 3: Cross multiply
    124,485,312.90x = 186,601,998.15 × 73,341,005.70
  4. Step 4: Simplify right side
    124,485,312.90x = 13,685,578,209,950,540
  5. Step 5: Solve for x
    x = 13,685,578,209,950,540/124,485,312.90
  6. Step 6: Final answer
    x = 109,937,292.13

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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.