Home / 153,302,547.60-229,953,821.40-138,186,003.60

Finding the Fourth Proportional to 153,302,547.60, 229,953,821.40 and 138,186,003.60

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Solution

The fourth proportional to 153,302,547.60, 229,953,821.40 and 138,186,003.60 is: 207,279,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,302,547.60 : 229,953,821.40 = 138,186,003.60 : x
  2. Step 2: Convert to fraction form
    153,302,547.60/229,953,821.40 = 138,186,003.60/x
  3. Step 3: Cross multiply
    153,302,547.60x = 229,953,821.40 × 138,186,003.60
  4. Step 4: Simplify right side
    153,302,547.60x = 31,776,399,591,814,156
  5. Step 5: Solve for x
    x = 31,776,399,591,814,156/153,302,547.60
  6. Step 6: Final answer
    x = 207,279,005.40

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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.