Home / 210,120,698.76-314,930,292.28-97,795,396.32

Finding the Fourth Proportional to 210,120,698.76, 314,930,292.28 and 97,795,396.32

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Solution

The fourth proportional to 210,120,698.76, 314,930,292.28 and 97,795,396.32 is: 146,576,386.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,120,698.76 : 314,930,292.28 = 97,795,396.32 : x
  2. Step 2: Convert to fraction form
    210,120,698.76/314,930,292.28 = 97,795,396.32/x
  3. Step 3: Cross multiply
    210,120,698.76x = 314,930,292.28 × 97,795,396.32
  4. Step 4: Simplify right side
    210,120,698.76x = 30,798,732,746,696,032
  5. Step 5: Solve for x
    x = 30,798,732,746,696,032/210,120,698.76
  6. Step 6: Final answer
    x = 146,576,386.47

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1.5x scale

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.