Home / 130,478,999,723.17-180,076,694,820.95-79,036,050,154.07

Finding the Fourth Proportional to 130,478,999,723.17, 180,076,694,820.95 and 79,036,050,154.07

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Solution

The fourth proportional to 130,478,999,723.17, 180,076,694,820.95 and 79,036,050,154.07 is: 109,079,244,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,478,999,723.17 : 180,076,694,820.95 = 79,036,050,154.07 : x
  2. Step 2: Convert to fraction form
    130,478,999,723.17/180,076,694,820.95 = 79,036,050,154.07/x
  3. Step 3: Cross multiply
    130,478,999,723.17x = 180,076,694,820.95 × 79,036,050,154.07
  4. Step 4: Simplify right side
    130,478,999,723.17x = 14,232,550,683,447,400,595,456
  5. Step 5: Solve for x
    x = 14,232,550,683,447,400,595,456/130,478,999,723.17
  6. Step 6: Final answer
    x = 109,079,244,274.13

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1.5x scale

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.