Home / 210,182,901.40-315,304,484.10-64,628,687.80

Finding the Fourth Proportional to 210,182,901.40, 315,304,484.10 and 64,628,687.80

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Solution

The fourth proportional to 210,182,901.40, 315,304,484.10 and 64,628,687.80 is: 96,952,296.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,182,901.40 : 315,304,484.10 = 64,628,687.80 : x
  2. Step 2: Convert to fraction form
    210,182,901.40/315,304,484.10 = 64,628,687.80/x
  3. Step 3: Cross multiply
    210,182,901.40x = 315,304,484.10 × 64,628,687.80
  4. Step 4: Simplify right side
    210,182,901.40x = 20,377,715,064,838,964
  5. Step 5: Solve for x
    x = 20,377,715,064,838,964/210,182,901.40
  6. Step 6: Final answer
    x = 96,952,296.92

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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.