Home / 157,152,575.64-216,872,801.34-90,182,447.40

Finding the Fourth Proportional to 157,152,575.64, 216,872,801.34 and 90,182,447.40

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Solution

The fourth proportional to 157,152,575.64, 216,872,801.34 and 90,182,447.40 is: 124,453,066.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,152,575.64 : 216,872,801.34 = 90,182,447.40 : x
  2. Step 2: Convert to fraction form
    157,152,575.64/216,872,801.34 = 90,182,447.40/x
  3. Step 3: Cross multiply
    157,152,575.64x = 216,872,801.34 × 90,182,447.40
  4. Step 4: Simplify right side
    157,152,575.64x = 19,558,119,999,335,200
  5. Step 5: Solve for x
    x = 19,558,119,999,335,200/157,152,575.64
  6. Step 6: Final answer
    x = 124,453,066.83

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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.