Home / 154,233,565.95-212,842,320.93-88,155,482.97

Finding the Fourth Proportional to 154,233,565.95, 212,842,320.93 and 88,155,482.97

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Solution

The fourth proportional to 154,233,565.95, 212,842,320.93 and 88,155,482.97 is: 121,654,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,233,565.95 : 212,842,320.93 = 88,155,482.97 : x
  2. Step 2: Convert to fraction form
    154,233,565.95/212,842,320.93 = 88,155,482.97/x
  3. Step 3: Cross multiply
    154,233,565.95x = 212,842,320.93 × 88,155,482.97
  4. Step 4: Simplify right side
    154,233,565.95x = 18,763,217,598,039,888
  5. Step 5: Solve for x
    x = 18,763,217,598,039,888/154,233,565.95
  6. Step 6: Final answer
    x = 121,654,566.45

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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.