Home / 316,721,047.16-475,155,928.74-98,360,119.64

Finding the Fourth Proportional to 316,721,047.16, 475,155,928.74 and 98,360,119.64

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Solution

The fourth proportional to 316,721,047.16, 475,155,928.74 and 98,360,119.64 is: 147,563,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,721,047.16 : 475,155,928.74 = 98,360,119.64 : x
  2. Step 2: Convert to fraction form
    316,721,047.16/475,155,928.74 = 98,360,119.64/x
  3. Step 3: Cross multiply
    316,721,047.16x = 475,155,928.74 × 98,360,119.64
  4. Step 4: Simplify right side
    316,721,047.16x = 46,736,393,998,521,712
  5. Step 5: Solve for x
    x = 46,736,393,998,521,712/316,721,047.16
  6. Step 6: Final answer
    x = 147,563,271.90

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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.