Home / 153,001,401.60-229,502,102.40-139,609,088.40

Finding the Fourth Proportional to 153,001,401.60, 229,502,102.40 and 139,609,088.40

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Solution

The fourth proportional to 153,001,401.60, 229,502,102.40 and 139,609,088.40 is: 209,413,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,001,401.60 : 229,502,102.40 = 139,609,088.40 : x
  2. Step 2: Convert to fraction form
    153,001,401.60/229,502,102.40 = 139,609,088.40/x
  3. Step 3: Cross multiply
    153,001,401.60x = 229,502,102.40 × 139,609,088.40
  4. Step 4: Simplify right side
    153,001,401.60x = 32,040,579,301,947,456
  5. Step 5: Solve for x
    x = 32,040,579,301,947,456/153,001,401.60
  6. Step 6: Final answer
    x = 209,413,632.60

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1.5x scale

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.