Home / 152,388,812.12-210,314,006.37-85,425,856.27

Finding the Fourth Proportional to 152,388,812.12, 210,314,006.37 and 85,425,856.27

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Solution

The fourth proportional to 152,388,812.12, 210,314,006.37 and 85,425,856.27 is: 117,897,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,388,812.12 : 210,314,006.37 = 85,425,856.27 : x
  2. Step 2: Convert to fraction form
    152,388,812.12/210,314,006.37 = 85,425,856.27/x
  3. Step 3: Cross multiply
    152,388,812.12x = 210,314,006.37 × 85,425,856.27
  4. Step 4: Simplify right side
    152,388,812.12x = 17,966,254,079,205,700
  5. Step 5: Solve for x
    x = 17,966,254,079,205,700/152,388,812.12
  6. Step 6: Final answer
    x = 117,897,461.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.