Home / 155,520,970.40-233,281,455.60-53,251,018.40

Finding the Fourth Proportional to 155,520,970.40, 233,281,455.60 and 53,251,018.40

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Solution

The fourth proportional to 155,520,970.40, 233,281,455.60 and 53,251,018.40 is: 79,876,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,520,970.40 : 233,281,455.60 = 53,251,018.40 : x
  2. Step 2: Convert to fraction form
    155,520,970.40/233,281,455.60 = 53,251,018.40/x
  3. Step 3: Cross multiply
    155,520,970.40x = 233,281,455.60 × 53,251,018.40
  4. Step 4: Simplify right side
    155,520,970.40x = 12,422,475,084,534,382
  5. Step 5: Solve for x
    x = 12,422,475,084,534,382/155,520,970.40
  6. Step 6: Final answer
    x = 79,876,527.60

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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.