Home / 89,885,726.80-134,828,590.20-87,366,302.80

Finding the Fourth Proportional to 89,885,726.80, 134,828,590.20 and 87,366,302.80

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Solution

The fourth proportional to 89,885,726.80, 134,828,590.20 and 87,366,302.80 is: 131,049,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,885,726.80 : 134,828,590.20 = 87,366,302.80 : x
  2. Step 2: Convert to fraction form
    89,885,726.80/134,828,590.20 = 87,366,302.80/x
  3. Step 3: Cross multiply
    89,885,726.80x = 134,828,590.20 × 87,366,302.80
  4. Step 4: Simplify right side
    89,885,726.80x = 11,779,475,437,510,312
  5. Step 5: Solve for x
    x = 11,779,475,437,510,312/89,885,726.80
  6. Step 6: Final answer
    x = 131,049,454.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.