Home / 152,881,045.20-210,999,804-90,164,036.76

Finding the Fourth Proportional to 152,881,045.20, 210,999,804 and 90,164,036.76

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Solution

The fourth proportional to 152,881,045.20, 210,999,804 and 90,164,036.76 is: 124,440,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,881,045.20 : 210,999,804 = 90,164,036.76 : x
  2. Step 2: Convert to fraction form
    152,881,045.20/210,999,804 = 90,164,036.76/x
  3. Step 3: Cross multiply
    152,881,045.20x = 210,999,804 × 90,164,036.76
  4. Step 4: Simplify right side
    152,881,045.20x = 19,024,594,084,208,796
  5. Step 5: Solve for x
    x = 19,024,594,084,208,796/152,881,045.20
  6. Step 6: Final answer
    x = 124,440,502.48

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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.