Home / 156,670,188.59-216,114,812.04-97,830,712.91

Finding the Fourth Proportional to 156,670,188.59, 216,114,812.04 and 97,830,712.91

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Solution

The fourth proportional to 156,670,188.59, 216,114,812.04 and 97,830,712.91 is: 134,950,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,670,188.59 : 216,114,812.04 = 97,830,712.91 : x
  2. Step 2: Convert to fraction form
    156,670,188.59/216,114,812.04 = 97,830,712.91/x
  3. Step 3: Cross multiply
    156,670,188.59x = 216,114,812.04 × 97,830,712.91
  4. Step 4: Simplify right side
    156,670,188.59x = 21,142,666,132,283,848
  5. Step 5: Solve for x
    x = 21,142,666,132,283,848/156,670,188.59
  6. Step 6: Final answer
    x = 134,950,154.35

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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.