Home / 123,142,302.16-169,924,803.96-83,368,926.88

Finding the Fourth Proportional to 123,142,302.16, 169,924,803.96 and 83,368,926.88

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Solution

The fourth proportional to 123,142,302.16, 169,924,803.96 and 83,368,926.88 is: 115,041,284.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,142,302.16 : 169,924,803.96 = 83,368,926.88 : x
  2. Step 2: Convert to fraction form
    123,142,302.16/169,924,803.96 = 83,368,926.88/x
  3. Step 3: Cross multiply
    123,142,302.16x = 169,924,803.96 × 83,368,926.88
  4. Step 4: Simplify right side
    123,142,302.16x = 14,166,448,556,439,574
  5. Step 5: Solve for x
    x = 14,166,448,556,439,574/123,142,302.16
  6. Step 6: Final answer
    x = 115,041,284.01

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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.