Home / 124,051,381.20-186,077,071.80-83,236,712.40

Finding the Fourth Proportional to 124,051,381.20, 186,077,071.80 and 83,236,712.40

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Solution

The fourth proportional to 124,051,381.20, 186,077,071.80 and 83,236,712.40 is: 124,855,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,051,381.20 : 186,077,071.80 = 83,236,712.40 : x
  2. Step 2: Convert to fraction form
    124,051,381.20/186,077,071.80 = 83,236,712.40/x
  3. Step 3: Cross multiply
    124,051,381.20x = 186,077,071.80 × 83,236,712.40
  4. Step 4: Simplify right side
    124,051,381.20x = 15,488,443,709,650,752
  5. Step 5: Solve for x
    x = 15,488,443,709,650,752/124,051,381.20
  6. Step 6: Final answer
    x = 124,855,068.60

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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.