Home / 72,580,429.60-108,870,644.40-62,726,682.40

Finding the Fourth Proportional to 72,580,429.60, 108,870,644.40 and 62,726,682.40

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Solution

The fourth proportional to 72,580,429.60, 108,870,644.40 and 62,726,682.40 is: 94,090,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,580,429.60 : 108,870,644.40 = 62,726,682.40 : x
  2. Step 2: Convert to fraction form
    72,580,429.60/108,870,644.40 = 62,726,682.40/x
  3. Step 3: Cross multiply
    72,580,429.60x = 108,870,644.40 × 62,726,682.40
  4. Step 4: Simplify right side
    72,580,429.60x = 6,829,094,333,962,139
  5. Step 5: Solve for x
    x = 6,829,094,333,962,139/72,580,429.60
  6. Step 6: Final answer
    x = 94,090,023.60

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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.