Home / 130,478,999,725.16-180,076,694,823.70-79,036,050,156.06

Finding the Fourth Proportional to 130,478,999,725.16, 180,076,694,823.70 and 79,036,050,156.06

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Solution

The fourth proportional to 130,478,999,725.16, 180,076,694,823.70 and 79,036,050,156.06 is: 109,079,244,276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,478,999,725.16 : 180,076,694,823.70 = 79,036,050,156.06 : x
  2. Step 2: Convert to fraction form
    130,478,999,725.16/180,076,694,823.70 = 79,036,050,156.06/x
  3. Step 3: Cross multiply
    130,478,999,725.16x = 180,076,694,823.70 × 79,036,050,156.06
  4. Step 4: Simplify right side
    130,478,999,725.16x = 14,232,550,684,023,463,084,032
  5. Step 5: Solve for x
    x = 14,232,550,684,023,463,084,032/130,478,999,725.16
  6. Step 6: Final answer
    x = 109,079,244,276.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.