Home / 70,656,002.40-105,984,003.60-70,208,104.80

Finding the Fourth Proportional to 70,656,002.40, 105,984,003.60 and 70,208,104.80

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Solution

The fourth proportional to 70,656,002.40, 105,984,003.60 and 70,208,104.80 is: 105,312,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,656,002.40 : 105,984,003.60 = 70,208,104.80 : x
  2. Step 2: Convert to fraction form
    70,656,002.40/105,984,003.60 = 70,208,104.80/x
  3. Step 3: Cross multiply
    70,656,002.40x = 105,984,003.60 × 70,208,104.80
  4. Step 4: Simplify right side
    70,656,002.40x = 7,440,936,031,872,377
  5. Step 5: Solve for x
    x = 7,440,936,031,872,377/70,656,002.40
  6. Step 6: Final answer
    x = 105,312,157.20

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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.