Home / 157,650,041.01-217,513,370.95-90,665,347.49

Finding the Fourth Proportional to 157,650,041.01, 217,513,370.95 and 90,665,347.49

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Solution

The fourth proportional to 157,650,041.01, 217,513,370.95 and 90,665,347.49 is: 125,093,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,650,041.01 : 217,513,370.95 = 90,665,347.49 : x
  2. Step 2: Convert to fraction form
    157,650,041.01/217,513,370.95 = 90,665,347.49/x
  3. Step 3: Cross multiply
    157,650,041.01x = 217,513,370.95 × 90,665,347.49
  4. Step 4: Simplify right side
    157,650,041.01x = 19,720,925,360,903,020
  5. Step 5: Solve for x
    x = 19,720,925,360,903,020/157,650,041.01
  6. Step 6: Final answer
    x = 125,093,055.70

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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.