Home / 97,025,376.60-145,538,064.90-79,806,688.20

Finding the Fourth Proportional to 97,025,376.60, 145,538,064.90 and 79,806,688.20

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Solution

The fourth proportional to 97,025,376.60, 145,538,064.90 and 79,806,688.20 is: 119,710,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,025,376.60 : 145,538,064.90 = 79,806,688.20 : x
  2. Step 2: Convert to fraction form
    97,025,376.60/145,538,064.90 = 79,806,688.20/x
  3. Step 3: Cross multiply
    97,025,376.60x = 145,538,064.90 × 79,806,688.20
  4. Step 4: Simplify right side
    97,025,376.60x = 11,614,910,966,705,666
  5. Step 5: Solve for x
    x = 11,614,910,966,705,666/97,025,376.60
  6. Step 6: Final answer
    x = 119,710,032.30

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Similar ratio
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1.5x scale

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.