Home / 187,066,239.76-258,156,848.36-102,298,342.16

Finding the Fourth Proportional to 187,066,239.76, 258,156,848.36 and 102,298,342.16

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Solution

The fourth proportional to 187,066,239.76, 258,156,848.36 and 102,298,342.16 is: 141,174,685.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,066,239.76 : 258,156,848.36 = 102,298,342.16 : x
  2. Step 2: Convert to fraction form
    187,066,239.76/258,156,848.36 = 102,298,342.16/x
  3. Step 3: Cross multiply
    187,066,239.76x = 258,156,848.36 × 102,298,342.16
  4. Step 4: Simplify right side
    187,066,239.76x = 26,409,017,604,478,516
  5. Step 5: Solve for x
    x = 26,409,017,604,478,516/187,066,239.76
  6. Step 6: Final answer
    x = 141,174,685.71

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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.