Home / 215,221,507.56-296,931,643.20-130,475,957.40

Finding the Fourth Proportional to 215,221,507.56, 296,931,643.20 and 130,475,957.40

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Solution

The fourth proportional to 215,221,507.56, 296,931,643.20 and 130,475,957.40 is: 180,011,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,221,507.56 : 296,931,643.20 = 130,475,957.40 : x
  2. Step 2: Convert to fraction form
    215,221,507.56/296,931,643.20 = 130,475,957.40/x
  3. Step 3: Cross multiply
    215,221,507.56x = 296,931,643.20 × 130,475,957.40
  4. Step 4: Simplify right side
    215,221,507.56x = 38,742,440,428,875,200
  5. Step 5: Solve for x
    x = 38,742,440,428,875,200/215,221,507.56
  6. Step 6: Final answer
    x = 180,011,936.86

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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.