Home / 126,126,356.16-174,140,433.90-81,580,307.34

Finding the Fourth Proportional to 126,126,356.16, 174,140,433.90 and 81,580,307.34

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Solution

The fourth proportional to 126,126,356.16, 174,140,433.90 and 81,580,307.34 is: 112,636,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,126,356.16 : 174,140,433.90 = 81,580,307.34 : x
  2. Step 2: Convert to fraction form
    126,126,356.16/174,140,433.90 = 81,580,307.34/x
  3. Step 3: Cross multiply
    126,126,356.16x = 174,140,433.90 × 81,580,307.34
  4. Step 4: Simplify right side
    126,126,356.16x = 14,206,430,117,882,956
  5. Step 5: Solve for x
    x = 14,206,430,117,882,956/126,126,356.16
  6. Step 6: Final answer
    x = 112,636,490.50

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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.