Home / 310,888,980.10-466,632,068.55-157,708,000.90

Finding the Fourth Proportional to 310,888,980.10, 466,632,068.55 and 157,708,000.90

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Solution

The fourth proportional to 310,888,980.10, 466,632,068.55 and 157,708,000.90 is: 236,713,474.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,888,980.10 : 466,632,068.55 = 157,708,000.90 : x
  2. Step 2: Convert to fraction form
    310,888,980.10/466,632,068.55 = 157,708,000.90/x
  3. Step 3: Cross multiply
    310,888,980.10x = 466,632,068.55 × 157,708,000.90
  4. Step 4: Simplify right side
    310,888,980.10x = 73,591,610,686,852,272
  5. Step 5: Solve for x
    x = 73,591,610,686,852,272/310,888,980.10
  6. Step 6: Final answer
    x = 236,713,474.58

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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.