Home / 85,547,108.80-128,226,184.80-47,236,117.60

Finding the Fourth Proportional to 85,547,108.80, 128,226,184.80 and 47,236,117.60

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Solution

The fourth proportional to 85,547,108.80, 128,226,184.80 and 47,236,117.60 is: 70,802,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,547,108.80 : 128,226,184.80 = 47,236,117.60 : x
  2. Step 2: Convert to fraction form
    85,547,108.80/128,226,184.80 = 47,236,117.60/x
  3. Step 3: Cross multiply
    85,547,108.80x = 128,226,184.80 × 47,236,117.60
  4. Step 4: Simplify right side
    85,547,108.80x = 6,056,907,144,612,133
  5. Step 5: Solve for x
    x = 6,056,907,144,612,133/85,547,108.80
  6. Step 6: Final answer
    x = 70,802,008.74

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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.