Home / 78,935,494.86-118,349,360.19-42,052,899.06

Finding the Fourth Proportional to 78,935,494.86, 118,349,360.19 and 42,052,899.06

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Solution

The fourth proportional to 78,935,494.86, 118,349,360.19 and 42,052,899.06 is: 63,050,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,935,494.86 : 118,349,360.19 = 42,052,899.06 : x
  2. Step 2: Convert to fraction form
    78,935,494.86/118,349,360.19 = 42,052,899.06/x
  3. Step 3: Cross multiply
    78,935,494.86x = 118,349,360.19 × 42,052,899.06
  4. Step 4: Simplify right side
    78,935,494.86x = 4,976,933,697,885,653
  5. Step 5: Solve for x
    x = 4,976,933,697,885,653/78,935,494.86
  6. Step 6: Final answer
    x = 63,050,642.89

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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.