Home / 130,699,482,511.68-180,360,524,051.64-72,824,872,052.76

Finding the Fourth Proportional to 130,699,482,511.68, 180,360,524,051.64 and 72,824,872,052.76

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Solution

The fourth proportional to 130,699,482,511.68, 180,360,524,051.64 and 72,824,872,052.76 is: 100,495,670,181.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,699,482,511.68 : 180,360,524,051.64 = 72,824,872,052.76 : x
  2. Step 2: Convert to fraction form
    130,699,482,511.68/180,360,524,051.64 = 72,824,872,052.76/x
  3. Step 3: Cross multiply
    130,699,482,511.68x = 180,360,524,051.64 × 72,824,872,052.76
  4. Step 4: Simplify right side
    130,699,482,511.68x = 13,134,732,087,429,425,004,544
  5. Step 5: Solve for x
    x = 13,134,732,087,429,425,004,544/130,699,482,511.68
  6. Step 6: Final answer
    x = 100,495,670,181.83

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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.