Home / 103,560,738,768.79-141,875,852,733.71-99,688,769,071.55

Finding the Fourth Proportional to 103,560,738,768.79, 141,875,852,733.71 and 99,688,769,071.55

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Solution

The fourth proportional to 103,560,738,768.79, 141,875,852,733.71 and 99,688,769,071.55 is: 136,571,342,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,560,738,768.79 : 141,875,852,733.71 = 99,688,769,071.55 : x
  2. Step 2: Convert to fraction form
    103,560,738,768.79/141,875,852,733.71 = 99,688,769,071.55/x
  3. Step 3: Cross multiply
    103,560,738,768.79x = 141,875,852,733.71 × 99,688,769,071.55
  4. Step 4: Simplify right side
    103,560,738,768.79x = 14,143,429,119,999,341,494,272
  5. Step 5: Solve for x
    x = 14,143,429,119,999,341,494,272/103,560,738,768.79
  6. Step 6: Final answer
    x = 136,571,342,461.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.