Home / 210,023,497.80-315,035,246.70-56,669,308.20

Finding the Fourth Proportional to 210,023,497.80, 315,035,246.70 and 56,669,308.20

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Solution

The fourth proportional to 210,023,497.80, 315,035,246.70 and 56,669,308.20 is: 85,003,962.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,023,497.80 : 315,035,246.70 = 56,669,308.20 : x
  2. Step 2: Convert to fraction form
    210,023,497.80/315,035,246.70 = 56,669,308.20/x
  3. Step 3: Cross multiply
    210,023,497.80x = 315,035,246.70 × 56,669,308.20
  4. Step 4: Simplify right side
    210,023,497.80x = 17,852,829,489,105,334
  5. Step 5: Solve for x
    x = 17,852,829,489,105,334/210,023,497.80
  6. Step 6: Final answer
    x = 85,003,962.30

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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.