Home / 58,816,155.38-81,168,533.80-32,712,560.78

Finding the Fourth Proportional to 58,816,155.38, 81,168,533.80 and 32,712,560.78

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Solution

The fourth proportional to 58,816,155.38, 81,168,533.80 and 32,712,560.78 is: 45,144,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,816,155.38 : 81,168,533.80 = 32,712,560.78 : x
  2. Step 2: Convert to fraction form
    58,816,155.38/81,168,533.80 = 32,712,560.78/x
  3. Step 3: Cross multiply
    58,816,155.38x = 81,168,533.80 × 32,712,560.78
  4. Step 4: Simplify right side
    58,816,155.38x = 2,655,230,595,355,984.50
  5. Step 5: Solve for x
    x = 2,655,230,595,355,984.50/58,816,155.38
  6. Step 6: Final answer
    x = 45,144,579.38

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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.