Home / 99,231,681.60-148,847,522.40-31,095,259.20

Finding the Fourth Proportional to 99,231,681.60, 148,847,522.40 and 31,095,259.20

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Solution

The fourth proportional to 99,231,681.60, 148,847,522.40 and 31,095,259.20 is: 46,642,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,231,681.60 : 148,847,522.40 = 31,095,259.20 : x
  2. Step 2: Convert to fraction form
    99,231,681.60/148,847,522.40 = 31,095,259.20/x
  3. Step 3: Cross multiply
    99,231,681.60x = 148,847,522.40 × 31,095,259.20
  4. Step 4: Simplify right side
    99,231,681.60x = 4,628,452,290,305,806
  5. Step 5: Solve for x
    x = 4,628,452,290,305,806/99,231,681.60
  6. Step 6: Final answer
    x = 46,642,888.80

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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.