Home / 76,688,552.40-115,032,828.60-36,377,768.40

Finding the Fourth Proportional to 76,688,552.40, 115,032,828.60 and 36,377,768.40

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Solution

The fourth proportional to 76,688,552.40, 115,032,828.60 and 36,377,768.40 is: 54,566,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,688,552.40 : 115,032,828.60 = 36,377,768.40 : x
  2. Step 2: Convert to fraction form
    76,688,552.40/115,032,828.60 = 36,377,768.40/x
  3. Step 3: Cross multiply
    76,688,552.40x = 115,032,828.60 × 36,377,768.40
  4. Step 4: Simplify right side
    76,688,552.40x = 4,184,637,597,207,696
  5. Step 5: Solve for x
    x = 4,184,637,597,207,696/76,688,552.40
  6. Step 6: Final answer
    x = 54,566,652.60

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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.