Home / 508,909,543.20-763,364,314.80-125,957,095.20

Finding the Fourth Proportional to 508,909,543.20, 763,364,314.80 and 125,957,095.20

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Solution

The fourth proportional to 508,909,543.20, 763,364,314.80 and 125,957,095.20 is: 188,935,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,909,543.20 : 763,364,314.80 = 125,957,095.20 : x
  2. Step 2: Convert to fraction form
    508,909,543.20/763,364,314.80 = 125,957,095.20/x
  3. Step 3: Cross multiply
    508,909,543.20x = 763,364,314.80 × 125,957,095.20
  4. Step 4: Simplify right side
    508,909,543.20x = 96,151,151,671,546,368
  5. Step 5: Solve for x
    x = 96,151,151,671,546,368/508,909,543.20
  6. Step 6: Final answer
    x = 188,935,642.80

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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.