Home / 156,634,282.74-216,142,656.33-90,559,039.80

Finding the Fourth Proportional to 156,634,282.74, 216,142,656.33 and 90,559,039.80

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Solution

The fourth proportional to 156,634,282.74, 216,142,656.33 and 90,559,039.80 is: 124,964,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,634,282.74 : 216,142,656.33 = 90,559,039.80 : x
  2. Step 2: Convert to fraction form
    156,634,282.74/216,142,656.33 = 90,559,039.80/x
  3. Step 3: Cross multiply
    156,634,282.74x = 216,142,656.33 × 90,559,039.80
  4. Step 4: Simplify right side
    156,634,282.74x = 19,573,671,417,066,192
  5. Step 5: Solve for x
    x = 19,573,671,417,066,192/156,634,282.74
  6. Step 6: Final answer
    x = 124,964,159.02

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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.