Home / 290,316,851.02-400,636,552.98-158,158,933.54

Finding the Fourth Proportional to 290,316,851.02, 400,636,552.98 and 158,158,933.54

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Solution

The fourth proportional to 290,316,851.02, 400,636,552.98 and 158,158,933.54 is: 218,258,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,316,851.02 : 400,636,552.98 = 158,158,933.54 : x
  2. Step 2: Convert to fraction form
    290,316,851.02/400,636,552.98 = 158,158,933.54/x
  3. Step 3: Cross multiply
    290,316,851.02x = 400,636,552.98 × 158,158,933.54
  4. Step 4: Simplify right side
    290,316,851.02x = 63,364,249,956,458,512
  5. Step 5: Solve for x
    x = 63,364,249,956,458,512/290,316,851.02
  6. Step 6: Final answer
    x = 218,258,946.16

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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.