Home / 310,799,897.40-466,367,807.70-138,303,334.20

Finding the Fourth Proportional to 310,799,897.40, 466,367,807.70 and 138,303,334.20

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Solution

The fourth proportional to 310,799,897.40, 466,367,807.70 and 138,303,334.20 is: 207,529,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,799,897.40 : 466,367,807.70 = 138,303,334.20 : x
  2. Step 2: Convert to fraction form
    310,799,897.40/466,367,807.70 = 138,303,334.20/x
  3. Step 3: Cross multiply
    310,799,897.40x = 466,367,807.70 × 138,303,334.20
  4. Step 4: Simplify right side
    310,799,897.40x = 64,500,222,768,454,424
  5. Step 5: Solve for x
    x = 64,500,222,768,454,424/310,799,897.40
  6. Step 6: Final answer
    x = 207,529,742.80

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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.