Home / 72,587,551.20-108,881,326.80-61,628,056.80

Finding the Fourth Proportional to 72,587,551.20, 108,881,326.80 and 61,628,056.80

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Solution

The fourth proportional to 72,587,551.20, 108,881,326.80 and 61,628,056.80 is: 92,442,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,587,551.20 : 108,881,326.80 = 61,628,056.80 : x
  2. Step 2: Convert to fraction form
    72,587,551.20/108,881,326.80 = 61,628,056.80/x
  3. Step 3: Cross multiply
    72,587,551.20x = 108,881,326.80 × 61,628,056.80
  4. Step 4: Simplify right side
    72,587,551.20x = 6,710,144,592,489,762
  5. Step 5: Solve for x
    x = 6,710,144,592,489,762/72,587,551.20
  6. Step 6: Final answer
    x = 92,442,085.20

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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.