Home / 113,791,497.17-157,032,760.89-61,580,537.45

Finding the Fourth Proportional to 113,791,497.17, 157,032,760.89 and 61,580,537.45

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Solution

The fourth proportional to 113,791,497.17, 157,032,760.89 and 61,580,537.45 is: 84,981,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,791,497.17 : 157,032,760.89 = 61,580,537.45 : x
  2. Step 2: Convert to fraction form
    113,791,497.17/157,032,760.89 = 61,580,537.45/x
  3. Step 3: Cross multiply
    113,791,497.17x = 157,032,760.89 × 61,580,537.45
  4. Step 4: Simplify right side
    113,791,497.17x = 9,670,161,812,898,176
  5. Step 5: Solve for x
    x = 9,670,161,812,898,176/113,791,497.17
  6. Step 6: Final answer
    x = 84,981,409.45

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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.