Home / 91,864,567.40-137,796,851.10-83,361,511.40

Finding the Fourth Proportional to 91,864,567.40, 137,796,851.10 and 83,361,511.40

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Solution

The fourth proportional to 91,864,567.40, 137,796,851.10 and 83,361,511.40 is: 125,042,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,864,567.40 : 137,796,851.10 = 83,361,511.40 : x
  2. Step 2: Convert to fraction form
    91,864,567.40/137,796,851.10 = 83,361,511.40/x
  3. Step 3: Cross multiply
    91,864,567.40x = 137,796,851.10 × 83,361,511.40
  4. Step 4: Simplify right side
    91,864,567.40x = 11,486,953,773,856,752
  5. Step 5: Solve for x
    x = 11,486,953,773,856,752/91,864,567.40
  6. Step 6: Final answer
    x = 125,042,267.10

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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.