Home / 147,408,031.80-221,112,047.70-39,702,655.80

Finding the Fourth Proportional to 147,408,031.80, 221,112,047.70 and 39,702,655.80

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Solution

The fourth proportional to 147,408,031.80, 221,112,047.70 and 39,702,655.80 is: 59,553,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,408,031.80 : 221,112,047.70 = 39,702,655.80 : x
  2. Step 2: Convert to fraction form
    147,408,031.80/221,112,047.70 = 39,702,655.80/x
  3. Step 3: Cross multiply
    147,408,031.80x = 221,112,047.70 × 39,702,655.80
  4. Step 4: Simplify right side
    147,408,031.80x = 8,778,735,523,066,281
  5. Step 5: Solve for x
    x = 8,778,735,523,066,281/147,408,031.80
  6. Step 6: Final answer
    x = 59,553,983.70

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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.