Home / 113,609,973.70-170,414,960.55-86,736,117.70

Finding the Fourth Proportional to 113,609,973.70, 170,414,960.55 and 86,736,117.70

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Solution

The fourth proportional to 113,609,973.70, 170,414,960.55 and 86,736,117.70 is: 130,104,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,609,973.70 : 170,414,960.55 = 86,736,117.70 : x
  2. Step 2: Convert to fraction form
    113,609,973.70/170,414,960.55 = 86,736,117.70/x
  3. Step 3: Cross multiply
    113,609,973.70x = 170,414,960.55 × 86,736,117.70
  4. Step 4: Simplify right side
    113,609,973.70x = 14,781,132,076,105,658
  5. Step 5: Solve for x
    x = 14,781,132,076,105,658/113,609,973.70
  6. Step 6: Final answer
    x = 130,104,176.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.