Home / 309,126,901.60-463,746,339.60-155,386,050.40

Finding the Fourth Proportional to 309,126,901.60, 463,746,339.60 and 155,386,050.40

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Solution

The fourth proportional to 309,126,901.60, 463,746,339.60 and 155,386,050.40 is: 233,107,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,126,901.60 : 463,746,339.60 = 155,386,050.40 : x
  2. Step 2: Convert to fraction form
    309,126,901.60/463,746,339.60 = 155,386,050.40/x
  3. Step 3: Cross multiply
    309,126,901.60x = 463,746,339.60 × 155,386,050.40
  4. Step 4: Simplify right side
    309,126,901.60x = 72,059,712,097,901,120
  5. Step 5: Solve for x
    x = 72,059,712,097,901,120/309,126,901.60
  6. Step 6: Final answer
    x = 233,107,218.18

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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.