Home / 77,708,124.94-107,236,657.20-42,425,928.94

Finding the Fourth Proportional to 77,708,124.94, 107,236,657.20 and 42,425,928.94

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Solution

The fourth proportional to 77,708,124.94, 107,236,657.20 and 42,425,928.94 is: 58,547,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,708,124.94 : 107,236,657.20 = 42,425,928.94 : x
  2. Step 2: Convert to fraction form
    77,708,124.94/107,236,657.20 = 42,425,928.94/x
  3. Step 3: Cross multiply
    77,708,124.94x = 107,236,657.20 × 42,425,928.94
  4. Step 4: Simplify right side
    77,708,124.94x = 4,549,614,798,130,339
  5. Step 5: Solve for x
    x = 4,549,614,798,130,339/77,708,124.94
  6. Step 6: Final answer
    x = 58,547,478.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.