Home / 145,406,030.70-217,731,132.45-114,921,000.30

Finding the Fourth Proportional to 145,406,030.70, 217,731,132.45 and 114,921,000.30

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Solution

The fourth proportional to 145,406,030.70, 217,731,132.45 and 114,921,000.30 is: 172,082,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,406,030.70 : 217,731,132.45 = 114,921,000.30 : x
  2. Step 2: Convert to fraction form
    145,406,030.70/217,731,132.45 = 114,921,000.30/x
  3. Step 3: Cross multiply
    145,406,030.70x = 217,731,132.45 × 114,921,000.30
  4. Step 4: Simplify right side
    145,406,030.70x = 25,021,879,537,605,788
  5. Step 5: Solve for x
    x = 25,021,879,537,605,788/145,406,030.70
  6. Step 6: Final answer
    x = 172,082,818.14

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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.