Home / 93,312,103.20-139,968,154.80-86,934,811.20

Finding the Fourth Proportional to 93,312,103.20, 139,968,154.80 and 86,934,811.20

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Solution

The fourth proportional to 93,312,103.20, 139,968,154.80 and 86,934,811.20 is: 130,402,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,103.20 : 139,968,154.80 = 86,934,811.20 : x
  2. Step 2: Convert to fraction form
    93,312,103.20/139,968,154.80 = 86,934,811.20/x
  3. Step 3: Cross multiply
    93,312,103.20x = 139,968,154.80 × 86,934,811.20
  4. Step 4: Simplify right side
    93,312,103.20x = 12,168,105,111,550,376
  5. Step 5: Solve for x
    x = 12,168,105,111,550,376/93,312,103.20
  6. Step 6: Final answer
    x = 130,402,216.80

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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.