Home / 371,849,261.68-557,841,981.12-153,380,422.72

Finding the Fourth Proportional to 371,849,261.68, 557,841,981.12 and 153,380,422.72

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Solution

The fourth proportional to 371,849,261.68, 557,841,981.12 and 153,380,422.72 is: 230,098,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,849,261.68 : 557,841,981.12 = 153,380,422.72 : x
  2. Step 2: Convert to fraction form
    371,849,261.68/557,841,981.12 = 153,380,422.72/x
  3. Step 3: Cross multiply
    371,849,261.68x = 557,841,981.12 × 153,380,422.72
  4. Step 4: Simplify right side
    371,849,261.68x = 85,562,038,875,147,856
  5. Step 5: Solve for x
    x = 85,562,038,875,147,856/371,849,261.68
  6. Step 6: Final answer
    x = 230,098,719.27

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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.