Home / 305,139,657.60-457,688,491.20-97,875,043.20

Finding the Fourth Proportional to 305,139,657.60, 457,688,491.20 and 97,875,043.20

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Solution

The fourth proportional to 305,139,657.60, 457,688,491.20 and 97,875,043.20 is: 146,805,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,139,657.60 : 457,688,491.20 = 97,875,043.20 : x
  2. Step 2: Convert to fraction form
    305,139,657.60/457,688,491.20 = 97,875,043.20/x
  3. Step 3: Cross multiply
    305,139,657.60x = 457,688,491.20 × 97,875,043.20
  4. Step 4: Simplify right side
    305,139,657.60x = 44,796,280,848,342,824
  5. Step 5: Solve for x
    x = 44,796,280,848,342,824/305,139,657.60
  6. Step 6: Final answer
    x = 146,805,830.49

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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.