Home / 93,615,929.10-140,150,178.45-66,742,073.10

Finding the Fourth Proportional to 93,615,929.10, 140,150,178.45 and 66,742,073.10

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Solution

The fourth proportional to 93,615,929.10, 140,150,178.45 and 66,742,073.10 is: 99,917,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,615,929.10 : 140,150,178.45 = 66,742,073.10 : x
  2. Step 2: Convert to fraction form
    93,615,929.10/140,150,178.45 = 66,742,073.10/x
  3. Step 3: Cross multiply
    93,615,929.10x = 140,150,178.45 × 66,742,073.10
  4. Step 4: Simplify right side
    93,615,929.10x = 9,353,913,455,087,944
  5. Step 5: Solve for x
    x = 9,353,913,455,087,944/93,615,929.10
  6. Step 6: Final answer
    x = 99,917,968.50

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1.5x scale

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.