Home / 130,255,187.76-179,752,294.80-77,342,456.16

Finding the Fourth Proportional to 130,255,187.76, 179,752,294.80 and 77,342,456.16

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Solution

The fourth proportional to 130,255,187.76, 179,752,294.80 and 77,342,456.16 is: 106,732,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,255,187.76 : 179,752,294.80 = 77,342,456.16 : x
  2. Step 2: Convert to fraction form
    130,255,187.76/179,752,294.80 = 77,342,456.16/x
  3. Step 3: Cross multiply
    130,255,187.76x = 179,752,294.80 × 77,342,456.16
  4. Step 4: Simplify right side
    130,255,187.76x = 13,902,483,980,228,396
  5. Step 5: Solve for x
    x = 13,902,483,980,228,396/130,255,187.76
  6. Step 6: Final answer
    x = 106,732,670.07

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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.