Home / 159,426,384.10-238,989,110.55-86,535,715.30

Finding the Fourth Proportional to 159,426,384.10, 238,989,110.55 and 86,535,715.30

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Solution

The fourth proportional to 159,426,384.10, 238,989,110.55 and 86,535,715.30 is: 129,721,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,426,384.10 : 238,989,110.55 = 86,535,715.30 : x
  2. Step 2: Convert to fraction form
    159,426,384.10/238,989,110.55 = 86,535,715.30/x
  3. Step 3: Cross multiply
    159,426,384.10x = 238,989,110.55 × 86,535,715.30
  4. Step 4: Simplify right side
    159,426,384.10x = 20,681,093,630,355,028
  5. Step 5: Solve for x
    x = 20,681,093,630,355,028/159,426,384.10
  6. Step 6: Final answer
    x = 129,721,901.10

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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.