Home / 70,512,533.40-105,768,800.10-58,395,678.60

Finding the Fourth Proportional to 70,512,533.40, 105,768,800.10 and 58,395,678.60

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Solution

The fourth proportional to 70,512,533.40, 105,768,800.10 and 58,395,678.60 is: 87,593,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,512,533.40 : 105,768,800.10 = 58,395,678.60 : x
  2. Step 2: Convert to fraction form
    70,512,533.40/105,768,800.10 = 58,395,678.60/x
  3. Step 3: Cross multiply
    70,512,533.40x = 105,768,800.10 × 58,395,678.60
  4. Step 4: Simplify right side
    70,512,533.40x = 6,176,440,856,547,248
  5. Step 5: Solve for x
    x = 6,176,440,856,547,248/70,512,533.40
  6. Step 6: Final answer
    x = 87,593,517.90

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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.