Home / 93,417,087.45-128,916,000.38-51,031,231.35

Finding the Fourth Proportional to 93,417,087.45, 128,916,000.38 and 51,031,231.35

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Solution

The fourth proportional to 93,417,087.45, 128,916,000.38 and 51,031,231.35 is: 70,423,328.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,417,087.45 : 128,916,000.38 = 51,031,231.35 : x
  2. Step 2: Convert to fraction form
    93,417,087.45/128,916,000.38 = 51,031,231.35/x
  3. Step 3: Cross multiply
    93,417,087.45x = 128,916,000.38 × 51,031,231.35
  4. Step 4: Simplify right side
    93,417,087.45x = 6,578,742,240,108,468
  5. Step 5: Solve for x
    x = 6,578,742,240,108,468/93,417,087.45
  6. Step 6: Final answer
    x = 70,423,328.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.