Home / 169,392,001.20-254,088,001.80-153,771,572.40

Finding the Fourth Proportional to 169,392,001.20, 254,088,001.80 and 153,771,572.40

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Solution

The fourth proportional to 169,392,001.20, 254,088,001.80 and 153,771,572.40 is: 230,657,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,392,001.20 : 254,088,001.80 = 153,771,572.40 : x
  2. Step 2: Convert to fraction form
    169,392,001.20/254,088,001.80 = 153,771,572.40/x
  3. Step 3: Cross multiply
    169,392,001.20x = 254,088,001.80 × 153,771,572.40
  4. Step 4: Simplify right side
    169,392,001.20x = 39,071,511,564,760,032
  5. Step 5: Solve for x
    x = 39,071,511,564,760,032/169,392,001.20
  6. Step 6: Final answer
    x = 230,657,358.60

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1.5x scale

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.