Home / 158,681,709.42-237,913,901.01-80,807,872.02

Finding the Fourth Proportional to 158,681,709.42, 237,913,901.01 and 80,807,872.02

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Solution

The fourth proportional to 158,681,709.42, 237,913,901.01 and 80,807,872.02 is: 121,156,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,681,709.42 : 237,913,901.01 = 80,807,872.02 : x
  2. Step 2: Convert to fraction form
    158,681,709.42/237,913,901.01 = 80,807,872.02/x
  3. Step 3: Cross multiply
    158,681,709.42x = 237,913,901.01 × 80,807,872.02
  4. Step 4: Simplify right side
    158,681,709.42x = 19,225,316,064,595,028
  5. Step 5: Solve for x
    x = 19,225,316,064,595,028/158,681,709.42
  6. Step 6: Final answer
    x = 121,156,471.88

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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.