Home / 157,464,419.10-236,196,628.65-99,643,638.30

Finding the Fourth Proportional to 157,464,419.10, 236,196,628.65 and 99,643,638.30

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Solution

The fourth proportional to 157,464,419.10, 236,196,628.65 and 99,643,638.30 is: 149,465,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,419.10 : 236,196,628.65 = 99,643,638.30 : x
  2. Step 2: Convert to fraction form
    157,464,419.10/236,196,628.65 = 99,643,638.30/x
  3. Step 3: Cross multiply
    157,464,419.10x = 236,196,628.65 × 99,643,638.30
  4. Step 4: Simplify right side
    157,464,419.10x = 23,535,491,432,880,016
  5. Step 5: Solve for x
    x = 23,535,491,432,880,016/157,464,419.10
  6. Step 6: Final answer
    x = 149,465,457.45

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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.