Home / 309,126,905.60-463,746,345.60-155,386,054.40

Finding the Fourth Proportional to 309,126,905.60, 463,746,345.60 and 155,386,054.40

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Solution

The fourth proportional to 309,126,905.60, 463,746,345.60 and 155,386,054.40 is: 233,107,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,126,905.60 : 463,746,345.60 = 155,386,054.40 : x
  2. Step 2: Convert to fraction form
    309,126,905.60/463,746,345.60 = 155,386,054.40/x
  3. Step 3: Cross multiply
    309,126,905.60x = 463,746,345.60 × 155,386,054.40
  4. Step 4: Simplify right side
    309,126,905.60x = 72,059,714,885,202,800
  5. Step 5: Solve for x
    x = 72,059,714,885,202,800/309,126,905.60
  6. Step 6: Final answer
    x = 233,107,224.18

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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.