Home / 67,813,693.60-101,632,066.80-31,417,866.40

Finding the Fourth Proportional to 67,813,693.60, 101,632,066.80 and 31,417,866.40

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Solution

The fourth proportional to 67,813,693.60, 101,632,066.80 and 31,417,866.40 is: 47,085,810.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,813,693.60 : 101,632,066.80 = 31,417,866.40 : x
  2. Step 2: Convert to fraction form
    67,813,693.60/101,632,066.80 = 31,417,866.40/x
  3. Step 3: Cross multiply
    67,813,693.60x = 101,632,066.80 × 31,417,866.40
  4. Step 4: Simplify right side
    67,813,693.60x = 3,193,062,696,678,275.50
  5. Step 5: Solve for x
    x = 3,193,062,696,678,275.50/67,813,693.60
  6. Step 6: Final answer
    x = 47,085,810.07

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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.