Home / 210,123,197.66-289,966,985.91-116,041,325.48

Finding the Fourth Proportional to 210,123,197.66, 289,966,985.91 and 116,041,325.48

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Solution

The fourth proportional to 210,123,197.66, 289,966,985.91 and 116,041,325.48 is: 160,135,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,123,197.66 : 289,966,985.91 = 116,041,325.48 : x
  2. Step 2: Convert to fraction form
    210,123,197.66/289,966,985.91 = 116,041,325.48/x
  3. Step 3: Cross multiply
    210,123,197.66x = 289,966,985.91 × 116,041,325.48
  4. Step 4: Simplify right side
    210,123,197.66x = 33,648,153,390,436,888
  5. Step 5: Solve for x
    x = 33,648,153,390,436,888/210,123,197.66
  6. Step 6: Final answer
    x = 160,135,357.57

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1.5x scale

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.