Home / 130,225,781.58-179,704,978.98-77,304,751.32

Finding the Fourth Proportional to 130,225,781.58, 179,704,978.98 and 77,304,751.32

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Solution

The fourth proportional to 130,225,781.58, 179,704,978.98 and 77,304,751.32 is: 106,676,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,225,781.58 : 179,704,978.98 = 77,304,751.32 : x
  2. Step 2: Convert to fraction form
    130,225,781.58/179,704,978.98 = 77,304,751.32/x
  3. Step 3: Cross multiply
    130,225,781.58x = 179,704,978.98 × 77,304,751.32
  4. Step 4: Simplify right side
    130,225,781.58x = 13,892,048,711,014,726
  5. Step 5: Solve for x
    x = 13,892,048,711,014,726/130,225,781.58
  6. Step 6: Final answer
    x = 106,676,639.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.