Home / 105,301,742.70-145,323,764.91-58,896,285.42

Finding the Fourth Proportional to 105,301,742.70, 145,323,764.91 and 58,896,285.42

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Solution

The fourth proportional to 105,301,742.70, 145,323,764.91 and 58,896,285.42 is: 81,280,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,301,742.70 : 145,323,764.91 = 58,896,285.42 : x
  2. Step 2: Convert to fraction form
    105,301,742.70/145,323,764.91 = 58,896,285.42/x
  3. Step 3: Cross multiply
    105,301,742.70x = 145,323,764.91 × 58,896,285.42
  4. Step 4: Simplify right side
    105,301,742.70x = 8,559,029,936,448,341
  5. Step 5: Solve for x
    x = 8,559,029,936,448,341/105,301,742.70
  6. Step 6: Final answer
    x = 81,280,990.39

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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.