Home / 162,386,603.10-243,579,904.65-157,603,634.10

Finding the Fourth Proportional to 162,386,603.10, 243,579,904.65 and 157,603,634.10

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Solution

The fourth proportional to 162,386,603.10, 243,579,904.65 and 157,603,634.10 is: 236,405,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,386,603.10 : 243,579,904.65 = 157,603,634.10 : x
  2. Step 2: Convert to fraction form
    162,386,603.10/243,579,904.65 = 157,603,634.10/x
  3. Step 3: Cross multiply
    162,386,603.10x = 243,579,904.65 × 157,603,634.10
  4. Step 4: Simplify right side
    162,386,603.10x = 38,389,078,166,571,488
  5. Step 5: Solve for x
    x = 38,389,078,166,571,488/162,386,603.10
  6. Step 6: Final answer
    x = 236,405,451.15

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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.