Home / 173,765,117.20-260,742,154.20-71,539,488.40

Finding the Fourth Proportional to 173,765,117.20, 260,742,154.20 and 71,539,488.40

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Solution

The fourth proportional to 173,765,117.20, 260,742,154.20 and 71,539,488.40 is: 107,348,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,765,117.20 : 260,742,154.20 = 71,539,488.40 : x
  2. Step 2: Convert to fraction form
    173,765,117.20/260,742,154.20 = 71,539,488.40/x
  3. Step 3: Cross multiply
    173,765,117.20x = 260,742,154.20 × 71,539,488.40
  4. Step 4: Simplify right side
    173,765,117.20x = 18,653,360,315,781,912
  5. Step 5: Solve for x
    x = 18,653,360,315,781,912/173,765,117.20
  6. Step 6: Final answer
    x = 107,348,129.57

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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.