Home / 116,905,680.16-161,330,152.44-64,698,316

Finding the Fourth Proportional to 116,905,680.16, 161,330,152.44 and 64,698,316

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Solution

The fourth proportional to 116,905,680.16, 161,330,152.44 and 64,698,316 is: 89,283,849.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,905,680.16 : 161,330,152.44 = 64,698,316 : x
  2. Step 2: Convert to fraction form
    116,905,680.16/161,330,152.44 = 64,698,316/x
  3. Step 3: Cross multiply
    116,905,680.16x = 161,330,152.44 × 64,698,316
  4. Step 4: Simplify right side
    116,905,680.16x = 10,437,789,182,891,290
  5. Step 5: Solve for x
    x = 10,437,789,182,891,290/116,905,680.16
  6. Step 6: Final answer
    x = 89,283,849.75

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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.