Home / 307,849,566.40-424,827,151.16-166,719,643.06

Finding the Fourth Proportional to 307,849,566.40, 424,827,151.16 and 166,719,643.06

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Solution

The fourth proportional to 307,849,566.40, 424,827,151.16 and 166,719,643.06 is: 230,070,263.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,849,566.40 : 424,827,151.16 = 166,719,643.06 : x
  2. Step 2: Convert to fraction form
    307,849,566.40/424,827,151.16 = 166,719,643.06/x
  3. Step 3: Cross multiply
    307,849,566.40x = 424,827,151.16 × 166,719,643.06
  4. Step 4: Simplify right side
    307,849,566.40x = 70,827,031,003,591,872
  5. Step 5: Solve for x
    x = 70,827,031,003,591,872/307,849,566.40
  6. Step 6: Final answer
    x = 230,070,263.97

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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.