Home / 217,742,061.60-326,613,092.40-125,909,056.80

Finding the Fourth Proportional to 217,742,061.60, 326,613,092.40 and 125,909,056.80

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Solution

The fourth proportional to 217,742,061.60, 326,613,092.40 and 125,909,056.80 is: 188,863,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,742,061.60 : 326,613,092.40 = 125,909,056.80 : x
  2. Step 2: Convert to fraction form
    217,742,061.60/326,613,092.40 = 125,909,056.80/x
  3. Step 3: Cross multiply
    217,742,061.60x = 326,613,092.40 × 125,909,056.80
  4. Step 4: Simplify right side
    217,742,061.60x = 41,123,546,402,615,248
  5. Step 5: Solve for x
    x = 41,123,546,402,615,248/217,742,061.60
  6. Step 6: Final answer
    x = 188,863,585.20

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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.