Home / 103,582,069.74-142,921,917.80-59,520,555.91

Finding the Fourth Proportional to 103,582,069.74, 142,921,917.80 and 59,520,555.91

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Solution

The fourth proportional to 103,582,069.74, 142,921,917.80 and 59,520,555.91 is: 82,126,105.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,582,069.74 : 142,921,917.80 = 59,520,555.91 : x
  2. Step 2: Convert to fraction form
    103,582,069.74/142,921,917.80 = 59,520,555.91/x
  3. Step 3: Cross multiply
    103,582,069.74x = 142,921,917.80 × 59,520,555.91
  4. Step 4: Simplify right side
    103,582,069.74x = 8,506,791,999,283,577
  5. Step 5: Solve for x
    x = 8,506,791,999,283,577/103,582,069.74
  6. Step 6: Final answer
    x = 82,126,105.61

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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.