Home / 211,349,113.60-291,663,889.40-118,527,628.56

Finding the Fourth Proportional to 211,349,113.60, 291,663,889.40 and 118,527,628.56

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Solution

The fourth proportional to 211,349,113.60, 291,663,889.40 and 118,527,628.56 is: 163,569,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,349,113.60 : 291,663,889.40 = 118,527,628.56 : x
  2. Step 2: Convert to fraction form
    211,349,113.60/291,663,889.40 = 118,527,628.56/x
  3. Step 3: Cross multiply
    211,349,113.60x = 291,663,889.40 × 118,527,628.56
  4. Step 4: Simplify right side
    211,349,113.60x = 34,570,229,147,168,120
  5. Step 5: Solve for x
    x = 34,570,229,147,168,120/211,349,113.60
  6. Step 6: Final answer
    x = 163,569,312.21

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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.