Home / 90,939,232.96-136,406,890.02-25,358,623.72

Finding the Fourth Proportional to 90,939,232.96, 136,406,890.02 and 25,358,623.72

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Solution

The fourth proportional to 90,939,232.96, 136,406,890.02 and 25,358,623.72 is: 38,037,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,939,232.96 : 136,406,890.02 = 25,358,623.72 : x
  2. Step 2: Convert to fraction form
    90,939,232.96/136,406,890.02 = 25,358,623.72/x
  3. Step 3: Cross multiply
    90,939,232.96x = 136,406,890.02 × 25,358,623.72
  4. Step 4: Simplify right side
    90,939,232.96x = 3,459,090,996,832,603.50
  5. Step 5: Solve for x
    x = 3,459,090,996,832,603.50/90,939,232.96
  6. Step 6: Final answer
    x = 38,037,389.19

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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.