Home / 103,690,388,013.30-155,535,582,019.95-102,037,393,926.90

Finding the Fourth Proportional to 103,690,388,013.30, 155,535,582,019.95 and 102,037,393,926.90

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Solution

The fourth proportional to 103,690,388,013.30, 155,535,582,019.95 and 102,037,393,926.90 is: 153,056,090,890.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,690,388,013.30 : 155,535,582,019.95 = 102,037,393,926.90 : x
  2. Step 2: Convert to fraction form
    103,690,388,013.30/155,535,582,019.95 = 102,037,393,926.90/x
  3. Step 3: Cross multiply
    103,690,388,013.30x = 155,535,582,019.95 × 102,037,393,926.90
  4. Step 4: Simplify right side
    103,690,388,013.30x = 15,870,445,452,219,304,116,224
  5. Step 5: Solve for x
    x = 15,870,445,452,219,304,116,224/103,690,388,013.30
  6. Step 6: Final answer
    x = 153,056,090,890.35

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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.