Home / 70,688,484.31-97,551,006.09-38,902,313.59

Finding the Fourth Proportional to 70,688,484.31, 97,551,006.09 and 38,902,313.59

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Solution

The fourth proportional to 70,688,484.31, 97,551,006.09 and 38,902,313.59 is: 53,685,686.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,688,484.31 : 97,551,006.09 = 38,902,313.59 : x
  2. Step 2: Convert to fraction form
    70,688,484.31/97,551,006.09 = 38,902,313.59/x
  3. Step 3: Cross multiply
    70,688,484.31x = 97,551,006.09 × 38,902,313.59
  4. Step 4: Simplify right side
    70,688,484.31x = 3,794,959,829,933,180.50
  5. Step 5: Solve for x
    x = 3,794,959,829,933,180.50/70,688,484.31
  6. Step 6: Final answer
    x = 53,685,686.81

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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.