Home / 291,935,444.52-402,871,981.15-157,973,361.96

Finding the Fourth Proportional to 291,935,444.52, 402,871,981.15 and 157,973,361.96

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Solution

The fourth proportional to 291,935,444.52, 402,871,981.15 and 157,973,361.96 is: 218,003,817.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,935,444.52 : 402,871,981.15 = 157,973,361.96 : x
  2. Step 2: Convert to fraction form
    291,935,444.52/402,871,981.15 = 157,973,361.96/x
  3. Step 3: Cross multiply
    291,935,444.52x = 402,871,981.15 × 157,973,361.96
  4. Step 4: Simplify right side
    291,935,444.52x = 63,643,041,301,751,248
  5. Step 5: Solve for x
    x = 63,643,041,301,751,248/291,935,444.52
  6. Step 6: Final answer
    x = 218,003,817.27

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