Home / 122,188,646.40-183,282,969.60-70,532,581.20

Finding the Fourth Proportional to 122,188,646.40, 183,282,969.60 and 70,532,581.20

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Solution

The fourth proportional to 122,188,646.40, 183,282,969.60 and 70,532,581.20 is: 105,798,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,188,646.40 : 183,282,969.60 = 70,532,581.20 : x
  2. Step 2: Convert to fraction form
    122,188,646.40/183,282,969.60 = 70,532,581.20/x
  3. Step 3: Cross multiply
    122,188,646.40x = 183,282,969.60 × 70,532,581.20
  4. Step 4: Simplify right side
    122,188,646.40x = 12,927,420,935,889,132
  5. Step 5: Solve for x
    x = 12,927,420,935,889,132/122,188,646.40
  6. Step 6: Final answer
    x = 105,798,871.80

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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.