Home / 88,564,807.70-132,847,211.55-78,487,111.70

Finding the Fourth Proportional to 88,564,807.70, 132,847,211.55 and 78,487,111.70

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Solution

The fourth proportional to 88,564,807.70, 132,847,211.55 and 78,487,111.70 is: 117,730,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,564,807.70 : 132,847,211.55 = 78,487,111.70 : x
  2. Step 2: Convert to fraction form
    88,564,807.70/132,847,211.55 = 78,487,111.70/x
  3. Step 3: Cross multiply
    88,564,807.70x = 132,847,211.55 × 78,487,111.70
  4. Step 4: Simplify right side
    88,564,807.70x = 10,426,793,931,958,380
  5. Step 5: Solve for x
    x = 10,426,793,931,958,380/88,564,807.70
  6. Step 6: Final answer
    x = 117,730,667.55

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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.