Home / 216,387,401.48-298,621,835.70-118,602,508.04

Finding the Fourth Proportional to 216,387,401.48, 298,621,835.70 and 118,602,508.04

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Solution

The fourth proportional to 216,387,401.48, 298,621,835.70 and 118,602,508.04 is: 163,675,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,387,401.48 : 298,621,835.70 = 118,602,508.04 : x
  2. Step 2: Convert to fraction form
    216,387,401.48/298,621,835.70 = 118,602,508.04/x
  3. Step 3: Cross multiply
    216,387,401.48x = 298,621,835.70 × 118,602,508.04
  4. Step 4: Simplify right side
    216,387,401.48x = 35,417,298,669,528,808
  5. Step 5: Solve for x
    x = 35,417,298,669,528,808/216,387,401.48
  6. Step 6: Final answer
    x = 163,675,419.30

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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.