Home / 287,237,799.40-430,917,230.40-93,134,081.20

Finding the Fourth Proportional to 287,237,799.40, 430,917,230.40 and 93,134,081.20

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Solution

The fourth proportional to 287,237,799.40, 430,917,230.40 and 93,134,081.20 is: 139,720,748.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,237,799.40 : 430,917,230.40 = 93,134,081.20 : x
  2. Step 2: Convert to fraction form
    287,237,799.40/430,917,230.40 = 93,134,081.20/x
  3. Step 3: Cross multiply
    287,237,799.40x = 430,917,230.40 × 93,134,081.20
  4. Step 4: Simplify right side
    287,237,799.40x = 40,133,080,326,552,704
  5. Step 5: Solve for x
    x = 40,133,080,326,552,704/287,237,799.40
  6. Step 6: Final answer
    x = 139,720,748.49

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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.