Home / 307,365,038.10-424,173,869.64-168,132,613.68

Finding the Fourth Proportional to 307,365,038.10, 424,173,869.64 and 168,132,613.68

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Solution

The fourth proportional to 307,365,038.10, 424,173,869.64 and 168,132,613.68 is: 232,028,541.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,365,038.10 : 424,173,869.64 = 168,132,613.68 : x
  2. Step 2: Convert to fraction form
    307,365,038.10/424,173,869.64 = 168,132,613.68/x
  3. Step 3: Cross multiply
    307,365,038.10x = 424,173,869.64 × 168,132,613.68
  4. Step 4: Simplify right side
    307,365,038.10x = 71,317,461,357,332,800
  5. Step 5: Solve for x
    x = 71,317,461,357,332,800/307,365,038.10
  6. Step 6: Final answer
    x = 232,028,541.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.