Home / 147,053,345.40-220,580,018.10-70,525,841.40

Finding the Fourth Proportional to 147,053,345.40, 220,580,018.10 and 70,525,841.40

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Solution

The fourth proportional to 147,053,345.40, 220,580,018.10 and 70,525,841.40 is: 105,788,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,053,345.40 : 220,580,018.10 = 70,525,841.40 : x
  2. Step 2: Convert to fraction form
    147,053,345.40/220,580,018.10 = 70,525,841.40/x
  3. Step 3: Cross multiply
    147,053,345.40x = 220,580,018.10 × 70,525,841.40
  4. Step 4: Simplify right side
    147,053,345.40x = 15,556,591,372,529,730
  5. Step 5: Solve for x
    x = 15,556,591,372,529,730/147,053,345.40
  6. Step 6: Final answer
    x = 105,788,762.10

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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.