Home / 93,312,810.20-139,969,215.30-89,911,587.80

Finding the Fourth Proportional to 93,312,810.20, 139,969,215.30 and 89,911,587.80

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Solution

The fourth proportional to 93,312,810.20, 139,969,215.30 and 89,911,587.80 is: 134,867,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,810.20 : 139,969,215.30 = 89,911,587.80 : x
  2. Step 2: Convert to fraction form
    93,312,810.20/139,969,215.30 = 89,911,587.80/x
  3. Step 3: Cross multiply
    93,312,810.20x = 139,969,215.30 × 89,911,587.80
  4. Step 4: Simplify right side
    93,312,810.20x = 12,584,854,390,743,054
  5. Step 5: Solve for x
    x = 12,584,854,390,743,054/93,312,810.20
  6. Step 6: Final answer
    x = 134,867,381.70

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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.