Home / 124,291,994.70-186,445,465.23-38,031,148.78

Finding the Fourth Proportional to 124,291,994.70, 186,445,465.23 and 38,031,148.78

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Solution

The fourth proportional to 124,291,994.70, 186,445,465.23 and 38,031,148.78 is: 57,049,009.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,291,994.70 : 186,445,465.23 = 38,031,148.78 : x
  2. Step 2: Convert to fraction form
    124,291,994.70/186,445,465.23 = 38,031,148.78/x
  3. Step 3: Cross multiply
    124,291,994.70x = 186,445,465.23 × 38,031,148.78
  4. Step 4: Simplify right side
    124,291,994.70x = 7,090,735,228,243,705
  5. Step 5: Solve for x
    x = 7,090,735,228,243,705/124,291,994.70
  6. Step 6: Final answer
    x = 57,049,009.84

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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.