Home / 438,503,029.68-657,754,547.76-147,370,156.68

Finding the Fourth Proportional to 438,503,029.68, 657,754,547.76 and 147,370,156.68

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Solution

The fourth proportional to 438,503,029.68, 657,754,547.76 and 147,370,156.68 is: 221,055,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,503,029.68 : 657,754,547.76 = 147,370,156.68 : x
  2. Step 2: Convert to fraction form
    438,503,029.68/657,754,547.76 = 147,370,156.68/x
  3. Step 3: Cross multiply
    438,503,029.68x = 657,754,547.76 × 147,370,156.68
  4. Step 4: Simplify right side
    438,503,029.68x = 96,933,390,760,373,744
  5. Step 5: Solve for x
    x = 96,933,390,760,373,744/438,503,029.68
  6. Step 6: Final answer
    x = 221,055,236.11

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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.