Home / 48,386,596.80-72,688,029.60-40,423,972.80

Finding the Fourth Proportional to 48,386,596.80, 72,688,029.60 and 40,423,972.80

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Solution

The fourth proportional to 48,386,596.80, 72,688,029.60 and 40,423,972.80 is: 60,726,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386,596.80 : 72,688,029.60 = 40,423,972.80 : x
  2. Step 2: Convert to fraction form
    48,386,596.80/72,688,029.60 = 40,423,972.80/x
  3. Step 3: Cross multiply
    48,386,596.80x = 72,688,029.60 × 40,423,972.80
  4. Step 4: Simplify right side
    48,386,596.80x = 2,938,338,931,435,994.50
  5. Step 5: Solve for x
    x = 2,938,338,931,435,994.50/48,386,596.80
  6. Step 6: Final answer
    x = 60,726,298.72

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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.