Home / 122,238,870.40-183,358,305.60-31,362,459.40

Finding the Fourth Proportional to 122,238,870.40, 183,358,305.60 and 31,362,459.40

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Solution

The fourth proportional to 122,238,870.40, 183,358,305.60 and 31,362,459.40 is: 47,043,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,238,870.40 : 183,358,305.60 = 31,362,459.40 : x
  2. Step 2: Convert to fraction form
    122,238,870.40/183,358,305.60 = 31,362,459.40/x
  3. Step 3: Cross multiply
    122,238,870.40x = 183,358,305.60 × 31,362,459.40
  4. Step 4: Simplify right side
    122,238,870.40x = 5,750,567,415,032,792
  5. Step 5: Solve for x
    x = 5,750,567,415,032,792/122,238,870.40
  6. Step 6: Final answer
    x = 47,043,689.10

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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.