Home / 48,386,139.60-72,495,228.60-45,362,830.80

Finding the Fourth Proportional to 48,386,139.60, 72,495,228.60 and 45,362,830.80

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Solution

The fourth proportional to 48,386,139.60, 72,495,228.60 and 45,362,830.80 is: 67,965,512.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386,139.60 : 72,495,228.60 = 45,362,830.80 : x
  2. Step 2: Convert to fraction form
    48,386,139.60/72,495,228.60 = 45,362,830.80/x
  3. Step 3: Cross multiply
    48,386,139.60x = 72,495,228.60 × 45,362,830.80
  4. Step 4: Simplify right side
    48,386,139.60x = 3,288,588,788,789,120.50
  5. Step 5: Solve for x
    x = 3,288,588,788,789,120.50/48,386,139.60
  6. Step 6: Final answer
    x = 67,965,512.77

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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.