Home / 261,152,830.80-391,281,348.60-124,544,062.80

Finding the Fourth Proportional to 261,152,830.80, 391,281,348.60 and 124,544,062.80

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Solution

The fourth proportional to 261,152,830.80, 391,281,348.60 and 124,544,062.80 is: 186,602,491.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,152,830.80 : 391,281,348.60 = 124,544,062.80 : x
  2. Step 2: Convert to fraction form
    261,152,830.80/391,281,348.60 = 124,544,062.80/x
  3. Step 3: Cross multiply
    261,152,830.80x = 391,281,348.60 × 124,544,062.80
  4. Step 4: Simplify right side
    261,152,830.80x = 48,731,768,852,507,096
  5. Step 5: Solve for x
    x = 48,731,768,852,507,096/261,152,830.80
  6. Step 6: Final answer
    x = 186,602,491.36

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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.