Home / 161,838,768.60-242,758,152.90-143,132,045.40

Finding the Fourth Proportional to 161,838,768.60, 242,758,152.90 and 143,132,045.40

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Solution

The fourth proportional to 161,838,768.60, 242,758,152.90 and 143,132,045.40 is: 214,698,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,838,768.60 : 242,758,152.90 = 143,132,045.40 : x
  2. Step 2: Convert to fraction form
    161,838,768.60/242,758,152.90 = 143,132,045.40/x
  3. Step 3: Cross multiply
    161,838,768.60x = 242,758,152.90 × 143,132,045.40
  4. Step 4: Simplify right side
    161,838,768.60x = 34,746,470,962,102,944
  5. Step 5: Solve for x
    x = 34,746,470,962,102,944/161,838,768.60
  6. Step 6: Final answer
    x = 214,698,068.10

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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.