Home / 134,612,357.10-185,779,334.55-78,904,582.35

Finding the Fourth Proportional to 134,612,357.10, 185,779,334.55 and 78,904,582.35

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Solution

The fourth proportional to 134,612,357.10, 185,779,334.55 and 78,904,582.35 is: 108,896,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,612,357.10 : 185,779,334.55 = 78,904,582.35 : x
  2. Step 2: Convert to fraction form
    134,612,357.10/185,779,334.55 = 78,904,582.35/x
  3. Step 3: Cross multiply
    134,612,357.10x = 185,779,334.55 × 78,904,582.35
  4. Step 4: Simplify right side
    134,612,357.10x = 14,658,840,801,083,662
  5. Step 5: Solve for x
    x = 14,658,840,801,083,662/134,612,357.10
  6. Step 6: Final answer
    x = 108,896,695.05

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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.