Home / 70,118,800.92-96,763,740.84-39,178,994.40

Finding the Fourth Proportional to 70,118,800.92, 96,763,740.84 and 39,178,994.40

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Solution

The fourth proportional to 70,118,800.92, 96,763,740.84 and 39,178,994.40 is: 54,066,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,118,800.92 : 96,763,740.84 = 39,178,994.40 : x
  2. Step 2: Convert to fraction form
    70,118,800.92/96,763,740.84 = 39,178,994.40/x
  3. Step 3: Cross multiply
    70,118,800.92x = 96,763,740.84 × 39,178,994.40
  4. Step 4: Simplify right side
    70,118,800.92x = 3,791,106,060,493,411.50
  5. Step 5: Solve for x
    x = 3,791,106,060,493,411.50/70,118,800.92
  6. Step 6: Final answer
    x = 54,066,898.05

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1.5x scale

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.