Home / 156,565,888.50-216,048,325.98-90,490,666.44

Finding the Fourth Proportional to 156,565,888.50, 216,048,325.98 and 90,490,666.44

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Solution

The fourth proportional to 156,565,888.50, 216,048,325.98 and 90,490,666.44 is: 124,869,837.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,565,888.50 : 216,048,325.98 = 90,490,666.44 : x
  2. Step 2: Convert to fraction form
    156,565,888.50/216,048,325.98 = 90,490,666.44/x
  3. Step 3: Cross multiply
    156,565,888.50x = 216,048,325.98 × 90,490,666.44
  4. Step 4: Simplify right side
    156,565,888.50x = 19,550,357,001,176,564
  5. Step 5: Solve for x
    x = 19,550,357,001,176,564/156,565,888.50
  6. Step 6: Final answer
    x = 124,869,837.16

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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.