Home / 351,883,281.60-528,076,864.80-147,557,995.20

Finding the Fourth Proportional to 351,883,281.60, 528,076,864.80 and 147,557,995.20

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Solution

The fourth proportional to 351,883,281.60, 528,076,864.80 and 147,557,995.20 is: 221,442,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,883,281.60 : 528,076,864.80 = 147,557,995.20 : x
  2. Step 2: Convert to fraction form
    351,883,281.60/528,076,864.80 = 147,557,995.20/x
  3. Step 3: Cross multiply
    351,883,281.60x = 528,076,864.80 × 147,557,995.20
  4. Step 4: Simplify right side
    351,883,281.60x = 77,921,963,481,389,440
  5. Step 5: Solve for x
    x = 77,921,963,481,389,440/351,883,281.60
  6. Step 6: Final answer
    x = 221,442,641.80

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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.