Home / 87,516,368.80-120,772,547.30-48,357,803.32

Finding the Fourth Proportional to 87,516,368.80, 120,772,547.30 and 48,357,803.32

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Solution

The fourth proportional to 87,516,368.80, 120,772,547.30 and 48,357,803.32 is: 66,733,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,516,368.80 : 120,772,547.30 = 48,357,803.32 : x
  2. Step 2: Convert to fraction form
    87,516,368.80/120,772,547.30 = 48,357,803.32/x
  3. Step 3: Cross multiply
    87,516,368.80x = 120,772,547.30 × 48,357,803.32
  4. Step 4: Simplify right side
    87,516,368.80x = 5,840,295,088,607,760
  5. Step 5: Solve for x
    x = 5,840,295,088,607,760/87,516,368.80
  6. Step 6: Final answer
    x = 66,733,745.57

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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.