Home / 129,966,307,152.42-179,287,496,344.08-84,882,423,995.94

Finding the Fourth Proportional to 129,966,307,152.42, 179,287,496,344.08 and 84,882,423,995.94

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Solution

The fourth proportional to 129,966,307,152.42, 179,287,496,344.08 and 84,882,423,995.94 is: 117,094,634,873.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,966,307,152.42 : 179,287,496,344.08 = 84,882,423,995.94 : x
  2. Step 2: Convert to fraction form
    129,966,307,152.42/179,287,496,344.08 = 84,882,423,995.94/x
  3. Step 3: Cross multiply
    129,966,307,152.42x = 179,287,496,344.08 × 84,882,423,995.94
  4. Step 4: Simplify right side
    129,966,307,152.42x = 15,218,357,281,848,740,020,224
  5. Step 5: Solve for x
    x = 15,218,357,281,848,740,020,224/129,966,307,152.42
  6. Step 6: Final answer
    x = 117,094,634,873.34

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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.