Home / 85,930,732,937.19-118,579,068,345.76-47,347,493,657.89

Finding the Fourth Proportional to 85,930,732,937.19, 118,579,068,345.76 and 47,347,493,657.89

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Solution

The fourth proportional to 85,930,732,937.19, 118,579,068,345.76 and 47,347,493,657.89 is: 65,336,597,216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,930,732,937.19 : 118,579,068,345.76 = 47,347,493,657.89 : x
  2. Step 2: Convert to fraction form
    85,930,732,937.19/118,579,068,345.76 = 47,347,493,657.89/x
  3. Step 3: Cross multiply
    85,930,732,937.19x = 118,579,068,345.76 × 47,347,493,657.89
  4. Step 4: Simplify right side
    85,930,732,937.19x = 5,614,421,686,459,257,847,808
  5. Step 5: Solve for x
    x = 5,614,421,686,459,257,847,808/85,930,732,937.19
  6. Step 6: Final answer
    x = 65,336,597,216.77

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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.