Home / 140,471,919,488.10-193,851,392,360.99-76,242,657,038.65

Finding the Fourth Proportional to 140,471,919,488.10, 193,851,392,360.99 and 76,242,657,038.65

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Solution

The fourth proportional to 140,471,919,488.10, 193,851,392,360.99 and 76,242,657,038.65 is: 105,214,944,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,471,919,488.10 : 193,851,392,360.99 = 76,242,657,038.65 : x
  2. Step 2: Convert to fraction form
    140,471,919,488.10/193,851,392,360.99 = 76,242,657,038.65/x
  3. Step 3: Cross multiply
    140,471,919,488.10x = 193,851,392,360.99 × 76,242,657,038.65
  4. Step 4: Simplify right side
    140,471,919,488.10x = 14,779,745,224,243,156,090,880
  5. Step 5: Solve for x
    x = 14,779,745,224,243,156,090,880/140,471,919,488.10
  6. Step 6: Final answer
    x = 105,214,944,581.83

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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.