Home / 358,161,508.80-537,242,263.20-99,376,228.80

Finding the Fourth Proportional to 358,161,508.80, 537,242,263.20 and 99,376,228.80

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Solution

The fourth proportional to 358,161,508.80, 537,242,263.20 and 99,376,228.80 is: 149,064,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,161,508.80 : 537,242,263.20 = 99,376,228.80 : x
  2. Step 2: Convert to fraction form
    358,161,508.80/537,242,263.20 = 99,376,228.80/x
  3. Step 3: Cross multiply
    358,161,508.80x = 537,242,263.20 × 99,376,228.80
  4. Step 4: Simplify right side
    358,161,508.80x = 53,389,110,068,793,024
  5. Step 5: Solve for x
    x = 53,389,110,068,793,024/358,161,508.80
  6. Step 6: Final answer
    x = 149,064,343.20

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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.