Home / 130,225,782.60-179,704,980.36-77,304,752.32

Finding the Fourth Proportional to 130,225,782.60, 179,704,980.36 and 77,304,752.32

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Solution

The fourth proportional to 130,225,782.60, 179,704,980.36 and 77,304,752.32 is: 106,676,640.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,225,782.60 : 179,704,980.36 = 77,304,752.32 : x
  2. Step 2: Convert to fraction form
    130,225,782.60/179,704,980.36 = 77,304,752.32/x
  3. Step 3: Cross multiply
    130,225,782.60x = 179,704,980.36 × 77,304,752.32
  4. Step 4: Simplify right side
    130,225,782.60x = 13,892,048,997,400,264
  5. Step 5: Solve for x
    x = 13,892,048,997,400,264/130,225,782.60
  6. Step 6: Final answer
    x = 106,676,640.52

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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.