Home / 86,289,920.70-129,434,881.05-24,878,960.70

Finding the Fourth Proportional to 86,289,920.70, 129,434,881.05 and 24,878,960.70

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Solution

The fourth proportional to 86,289,920.70, 129,434,881.05 and 24,878,960.70 is: 37,318,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,289,920.70 : 129,434,881.05 = 24,878,960.70 : x
  2. Step 2: Convert to fraction form
    86,289,920.70/129,434,881.05 = 24,878,960.70/x
  3. Step 3: Cross multiply
    86,289,920.70x = 129,434,881.05 × 24,878,960.70
  4. Step 4: Simplify right side
    86,289,920.70x = 3,220,205,318,852,124.50
  5. Step 5: Solve for x
    x = 3,220,205,318,852,124.50/86,289,920.70
  6. Step 6: Final answer
    x = 37,318,441.05

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1.5x scale

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.