Home / 115,960,545.65-160,028,865.05-70,699,903.20

Finding the Fourth Proportional to 115,960,545.65, 160,028,865.05 and 70,699,903.20

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Solution

The fourth proportional to 115,960,545.65, 160,028,865.05 and 70,699,903.20 is: 97,567,885.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,960,545.65 : 160,028,865.05 = 70,699,903.20 : x
  2. Step 2: Convert to fraction form
    115,960,545.65/160,028,865.05 = 70,699,903.20/x
  3. Step 3: Cross multiply
    115,960,545.65x = 160,028,865.05 × 70,699,903.20
  4. Step 4: Simplify right side
    115,960,545.65x = 11,314,025,267,887,364
  5. Step 5: Solve for x
    x = 11,314,025,267,887,364/115,960,545.65
  6. Step 6: Final answer
    x = 97,567,885.74

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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.