Home / 178,953,570.72-246,953,580.48-100,637,100

Finding the Fourth Proportional to 178,953,570.72, 246,953,580.48 and 100,637,100

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Solution

The fourth proportional to 178,953,570.72, 246,953,580.48 and 100,637,100 is: 138,877,878.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,953,570.72 : 246,953,580.48 = 100,637,100 : x
  2. Step 2: Convert to fraction form
    178,953,570.72/246,953,580.48 = 100,637,100/x
  3. Step 3: Cross multiply
    178,953,570.72x = 246,953,580.48 × 100,637,100
  4. Step 4: Simplify right side
    178,953,570.72x = 24,852,692,174,123,808
  5. Step 5: Solve for x
    x = 24,852,692,174,123,808/178,953,570.72
  6. Step 6: Final answer
    x = 138,877,878.07

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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.