Home / 170,291,710.40-255,437,565.60-74,740,222.40

Finding the Fourth Proportional to 170,291,710.40, 255,437,565.60 and 74,740,222.40

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Solution

The fourth proportional to 170,291,710.40, 255,437,565.60 and 74,740,222.40 is: 112,110,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,291,710.40 : 255,437,565.60 = 74,740,222.40 : x
  2. Step 2: Convert to fraction form
    170,291,710.40/255,437,565.60 = 74,740,222.40/x
  3. Step 3: Cross multiply
    170,291,710.40x = 255,437,565.60 × 74,740,222.40
  4. Step 4: Simplify right side
    170,291,710.40x = 19,091,460,462,258,592
  5. Step 5: Solve for x
    x = 19,091,460,462,258,592/170,291,710.40
  6. Step 6: Final answer
    x = 112,110,333.60

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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.