Home / 197,123,502.80-272,064,580.92-118,807,158.56

Finding the Fourth Proportional to 197,123,502.80, 272,064,580.92 and 118,807,158.56

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Solution

The fourth proportional to 197,123,502.80, 272,064,580.92 and 118,807,158.56 is: 163,974,459.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,123,502.80 : 272,064,580.92 = 118,807,158.56 : x
  2. Step 2: Convert to fraction form
    197,123,502.80/272,064,580.92 = 118,807,158.56/x
  3. Step 3: Cross multiply
    197,123,502.80x = 272,064,580.92 × 118,807,158.56
  4. Step 4: Simplify right side
    197,123,502.80x = 32,323,219,802,562,072
  5. Step 5: Solve for x
    x = 32,323,219,802,562,072/197,123,502.80
  6. Step 6: Final answer
    x = 163,974,459.38

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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.