Home / 93,312,011.70-139,968,017.55-86,934,719.70

Finding the Fourth Proportional to 93,312,011.70, 139,968,017.55 and 86,934,719.70

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Solution

The fourth proportional to 93,312,011.70, 139,968,017.55 and 86,934,719.70 is: 130,402,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,011.70 : 139,968,017.55 = 86,934,719.70 : x
  2. Step 2: Convert to fraction form
    93,312,011.70/139,968,017.55 = 86,934,719.70/x
  3. Step 3: Cross multiply
    93,312,011.70x = 139,968,017.55 × 86,934,719.70
  4. Step 4: Simplify right side
    93,312,011.70x = 12,168,080,372,673,932
  5. Step 5: Solve for x
    x = 12,168,080,372,673,932/93,312,011.70
  6. Step 6: Final answer
    x = 130,402,079.55

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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.