Home / 249,648,095.20-374,322,843.60-128,715,743.20

Finding the Fourth Proportional to 249,648,095.20, 374,322,843.60 and 128,715,743.20

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Solution

The fourth proportional to 249,648,095.20, 374,322,843.60 and 128,715,743.20 is: 192,996,637.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,648,095.20 : 374,322,843.60 = 128,715,743.20 : x
  2. Step 2: Convert to fraction form
    249,648,095.20/374,322,843.60 = 128,715,743.20/x
  3. Step 3: Cross multiply
    249,648,095.20x = 374,322,843.60 × 128,715,743.20
  4. Step 4: Simplify right side
    249,648,095.20x = 48,181,243,010,711,368
  5. Step 5: Solve for x
    x = 48,181,243,010,711,368/249,648,095.20
  6. Step 6: Final answer
    x = 192,996,637.82

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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.