Home / 102,006,016.20-153,009,024.30-61,191,347.40

Finding the Fourth Proportional to 102,006,016.20, 153,009,024.30 and 61,191,347.40

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Solution

The fourth proportional to 102,006,016.20, 153,009,024.30 and 61,191,347.40 is: 91,787,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,006,016.20 : 153,009,024.30 = 61,191,347.40 : x
  2. Step 2: Convert to fraction form
    102,006,016.20/153,009,024.30 = 61,191,347.40/x
  3. Step 3: Cross multiply
    102,006,016.20x = 153,009,024.30 × 61,191,347.40
  4. Step 4: Simplify right side
    102,006,016.20x = 9,362,828,361,276,342
  5. Step 5: Solve for x
    x = 9,362,828,361,276,342/102,006,016.20
  6. Step 6: Final answer
    x = 91,787,021.10

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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.