Home / 164,047,681.60-245,872,456.80-73,074,702.40

Finding the Fourth Proportional to 164,047,681.60, 245,872,456.80 and 73,074,702.40

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Solution

The fourth proportional to 164,047,681.60, 245,872,456.80 and 73,074,702.40 is: 109,523,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,047,681.60 : 245,872,456.80 = 73,074,702.40 : x
  2. Step 2: Convert to fraction form
    164,047,681.60/245,872,456.80 = 73,074,702.40/x
  3. Step 3: Cross multiply
    164,047,681.60x = 245,872,456.80 × 73,074,702.40
  4. Step 4: Simplify right side
    164,047,681.60x = 17,967,056,609,016,858
  5. Step 5: Solve for x
    x = 17,967,056,609,016,858/164,047,681.60
  6. Step 6: Final answer
    x = 109,523,380.24

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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.