Home / 292,549,718.79-403,719,151.50-158,587,220.79

Finding the Fourth Proportional to 292,549,718.79, 403,719,151.50 and 158,587,220.79

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Solution

The fourth proportional to 292,549,718.79, 403,719,151.50 and 158,587,220.79 is: 218,850,657.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,549,718.79 : 403,719,151.50 = 158,587,220.79 : x
  2. Step 2: Convert to fraction form
    292,549,718.79/403,719,151.50 = 158,587,220.79/x
  3. Step 3: Cross multiply
    292,549,718.79x = 403,719,151.50 × 158,587,220.79
  4. Step 4: Simplify right side
    292,549,718.79x = 64,024,698,216,081,960
  5. Step 5: Solve for x
    x = 64,024,698,216,081,960/292,549,718.79
  6. Step 6: Final answer
    x = 218,850,657.18

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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.