Home / 270,878,123.30-373,799,300.31-153,404,294.45

Finding the Fourth Proportional to 270,878,123.30, 373,799,300.31 and 153,404,294.45

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Solution

The fourth proportional to 270,878,123.30, 373,799,300.31 and 153,404,294.45 is: 211,690,841.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,878,123.30 : 373,799,300.31 = 153,404,294.45 : x
  2. Step 2: Convert to fraction form
    270,878,123.30/373,799,300.31 = 153,404,294.45/x
  3. Step 3: Cross multiply
    270,878,123.30x = 373,799,300.31 × 153,404,294.45
  4. Step 4: Simplify right side
    270,878,123.30x = 57,342,417,928,090,216
  5. Step 5: Solve for x
    x = 57,342,417,928,090,216/270,878,123.30
  6. Step 6: Final answer
    x = 211,690,841.74

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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.