Home / 145,035,350.10-217,804,967.55-77,010,902.10

Finding the Fourth Proportional to 145,035,350.10, 217,804,967.55 and 77,010,902.10

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Solution

The fourth proportional to 145,035,350.10, 217,804,967.55 and 77,010,902.10 is: 115,650,129.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,035,350.10 : 217,804,967.55 = 77,010,902.10 : x
  2. Step 2: Convert to fraction form
    145,035,350.10/217,804,967.55 = 77,010,902.10/x
  3. Step 3: Cross multiply
    145,035,350.10x = 217,804,967.55 × 77,010,902.10
  4. Step 4: Simplify right side
    145,035,350.10x = 16,773,357,032,886,726
  5. Step 5: Solve for x
    x = 16,773,357,032,886,726/145,035,350.10
  6. Step 6: Final answer
    x = 115,650,129.58

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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.