Home / 105,153,703.91-157,589,564.81-81,838,599.52

Finding the Fourth Proportional to 105,153,703.91, 157,589,564.81 and 81,838,599.52

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Solution

The fourth proportional to 105,153,703.91, 157,589,564.81 and 81,838,599.52 is: 122,648,169.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,153,703.91 : 157,589,564.81 = 81,838,599.52 : x
  2. Step 2: Convert to fraction form
    105,153,703.91/157,589,564.81 = 81,838,599.52/x
  3. Step 3: Cross multiply
    105,153,703.91x = 157,589,564.81 × 81,838,599.52
  4. Step 4: Simplify right side
    105,153,703.91x = 12,896,909,282,213,508
  5. Step 5: Solve for x
    x = 12,896,909,282,213,508/105,153,703.91
  6. Step 6: Final answer
    x = 122,648,169.32

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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.