Home / 90,845,566.65-136,268,349.98-83,830,545.45

Finding the Fourth Proportional to 90,845,566.65, 136,268,349.98 and 83,830,545.45

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Solution

The fourth proportional to 90,845,566.65, 136,268,349.98 and 83,830,545.45 is: 125,745,818.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,845,566.65 : 136,268,349.98 = 83,830,545.45 : x
  2. Step 2: Convert to fraction form
    90,845,566.65/136,268,349.98 = 83,830,545.45/x
  3. Step 3: Cross multiply
    90,845,566.65x = 136,268,349.98 × 83,830,545.45
  4. Step 4: Simplify right side
    90,845,566.65x = 11,423,450,105,975,744
  5. Step 5: Solve for x
    x = 11,423,450,105,975,744/90,845,566.65
  6. Step 6: Final answer
    x = 125,745,818.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.