Home / 124,495,438.40-186,953,109.60-104,004,123.20

Finding the Fourth Proportional to 124,495,438.40, 186,953,109.60 and 104,004,123.20

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Solution

The fourth proportional to 124,495,438.40, 186,953,109.60 and 104,004,123.20 is: 156,181,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,495,438.40 : 186,953,109.60 = 104,004,123.20 : x
  2. Step 2: Convert to fraction form
    124,495,438.40/186,953,109.60 = 104,004,123.20/x
  3. Step 3: Cross multiply
    124,495,438.40x = 186,953,109.60 × 104,004,123.20
  4. Step 4: Simplify right side
    124,495,438.40x = 19,443,894,243,461,504
  5. Step 5: Solve for x
    x = 19,443,894,243,461,504/124,495,438.40
  6. Step 6: Final answer
    x = 156,181,579.77

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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.