Home / 289,250,041.47-399,189,674.59-163,824,549.00

Finding the Fourth Proportional to 289,250,041.47, 399,189,674.59 and 163,824,549.00

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Solution

The fourth proportional to 289,250,041.47, 399,189,674.59 and 163,824,549.00 is: 226,091,820.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,250,041.47 : 399,189,674.59 = 163,824,549.00 : x
  2. Step 2: Convert to fraction form
    289,250,041.47/399,189,674.59 = 163,824,549.00/x
  3. Step 3: Cross multiply
    289,250,041.47x = 399,189,674.59 × 163,824,549.00
  4. Step 4: Simplify right side
    289,250,041.47x = 65,397,068,403,256,984
  5. Step 5: Solve for x
    x = 65,397,068,403,256,984/289,250,041.47
  6. Step 6: Final answer
    x = 226,091,820.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.