Home / 102,706,814.76-154,060,212.75-45,199,085.91

Finding the Fourth Proportional to 102,706,814.76, 154,060,212.75 and 45,199,085.91

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Solution

The fourth proportional to 102,706,814.76, 154,060,212.75 and 45,199,085.91 is: 67,798,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,706,814.76 : 154,060,212.75 = 45,199,085.91 : x
  2. Step 2: Convert to fraction form
    102,706,814.76/154,060,212.75 = 45,199,085.91/x
  3. Step 3: Cross multiply
    102,706,814.76x = 154,060,212.75 × 45,199,085.91
  4. Step 4: Simplify right side
    102,706,814.76x = 6,963,380,791,400,127
  5. Step 5: Solve for x
    x = 6,963,380,791,400,127/102,706,814.76
  6. Step 6: Final answer
    x = 67,798,624.73

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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.