Home / 212,008,710.96-292,572,476.20-119,189,981.52

Finding the Fourth Proportional to 212,008,710.96, 292,572,476.20 and 119,189,981.52

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Solution

The fourth proportional to 212,008,710.96, 292,572,476.20 and 119,189,981.52 is: 164,482,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,008,710.96 : 292,572,476.20 = 119,189,981.52 : x
  2. Step 2: Convert to fraction form
    212,008,710.96/292,572,476.20 = 119,189,981.52/x
  3. Step 3: Cross multiply
    212,008,710.96x = 292,572,476.20 × 119,189,981.52
  4. Step 4: Simplify right side
    212,008,710.96x = 34,871,708,031,538,636
  5. Step 5: Solve for x
    x = 34,871,708,031,538,636/212,008,710.96
  6. Step 6: Final answer
    x = 164,482,430.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.