Home / 142,326,612.56-213,516,643.95-64,608,971.36

Finding the Fourth Proportional to 142,326,612.56, 213,516,643.95 and 64,608,971.36

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Solution

The fourth proportional to 142,326,612.56, 213,516,643.95 and 64,608,971.36 is: 96,925,588.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,326,612.56 : 213,516,643.95 = 64,608,971.36 : x
  2. Step 2: Convert to fraction form
    142,326,612.56/213,516,643.95 = 64,608,971.36/x
  3. Step 3: Cross multiply
    142,326,612.56x = 213,516,643.95 × 64,608,971.36
  4. Step 4: Simplify right side
    142,326,612.56x = 13,795,090,732,781,282
  5. Step 5: Solve for x
    x = 13,795,090,732,781,282/142,326,612.56
  6. Step 6: Final answer
    x = 96,925,588.86

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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.