Home / 130,700,538,067.26-180,364,909,108.98-72,831,356,956.16

Finding the Fourth Proportional to 130,700,538,067.26, 180,364,909,108.98 and 72,831,356,956.16

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Solution

The fourth proportional to 130,700,538,067.26, 180,364,909,108.98 and 72,831,356,956.16 is: 100,506,250,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,700,538,067.26 : 180,364,909,108.98 = 72,831,356,956.16 : x
  2. Step 2: Convert to fraction form
    130,700,538,067.26/180,364,909,108.98 = 72,831,356,956.16/x
  3. Step 3: Cross multiply
    130,700,538,067.26x = 180,364,909,108.98 × 72,831,356,956.16
  4. Step 4: Simplify right side
    130,700,538,067.26x = 13,136,221,077,680,576,004,096
  5. Step 5: Solve for x
    x = 13,136,221,077,680,576,004,096/130,700,538,067.26
  6. Step 6: Final answer
    x = 100,506,250,945.35

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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.