Home / 153,451,341.05-230,021,911.96-66,069,853.25

Finding the Fourth Proportional to 153,451,341.05, 230,021,911.96 and 66,069,853.25

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Solution

The fourth proportional to 153,451,341.05, 230,021,911.96 and 66,069,853.25 is: 99,038,000.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,451,341.05 : 230,021,911.96 = 66,069,853.25 : x
  2. Step 2: Convert to fraction form
    153,451,341.05/230,021,911.96 = 66,069,853.25/x
  3. Step 3: Cross multiply
    153,451,341.05x = 230,021,911.96 × 66,069,853.25
  4. Step 4: Simplify right side
    153,451,341.05x = 15,197,513,966,166,336
  5. Step 5: Solve for x
    x = 15,197,513,966,166,336/153,451,341.05
  6. Step 6: Final answer
    x = 99,038,000.34

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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.