Home / 358,298,742.80-537,448,114.20-153,792,016.40

Finding the Fourth Proportional to 358,298,742.80, 537,448,114.20 and 153,792,016.40

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Solution

The fourth proportional to 358,298,742.80, 537,448,114.20 and 153,792,016.40 is: 230,688,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,298,742.80 : 537,448,114.20 = 153,792,016.40 : x
  2. Step 2: Convert to fraction form
    358,298,742.80/537,448,114.20 = 153,792,016.40/x
  3. Step 3: Cross multiply
    358,298,742.80x = 537,448,114.20 × 153,792,016.40
  4. Step 4: Simplify right side
    358,298,742.80x = 82,655,229,193,195,488
  5. Step 5: Solve for x
    x = 82,655,229,193,195,488/358,298,742.80
  6. Step 6: Final answer
    x = 230,688,024.60

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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.