Home / 236,631,154.02-354,953,962.08-81,182,781.48

Finding the Fourth Proportional to 236,631,154.02, 354,953,962.08 and 81,182,781.48

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Solution

The fourth proportional to 236,631,154.02, 354,953,962.08 and 81,182,781.48 is: 121,776,653.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,631,154.02 : 354,953,962.08 = 81,182,781.48 : x
  2. Step 2: Convert to fraction form
    236,631,154.02/354,953,962.08 = 81,182,781.48/x
  3. Step 3: Cross multiply
    236,631,154.02x = 354,953,962.08 × 81,182,781.48
  4. Step 4: Simplify right side
    236,631,154.02x = 28,816,149,939,000,848
  5. Step 5: Solve for x
    x = 28,816,149,939,000,848/236,631,154.02
  6. Step 6: Final answer
    x = 121,776,653.03

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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.