Home / 145,437,346.02-218,154,581.21-66,631,499.71

Finding the Fourth Proportional to 145,437,346.02, 218,154,581.21 and 66,631,499.71

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Solution

The fourth proportional to 145,437,346.02, 218,154,581.21 and 66,631,499.71 is: 99,946,590.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,437,346.02 : 218,154,581.21 = 66,631,499.71 : x
  2. Step 2: Convert to fraction form
    145,437,346.02/218,154,581.21 = 66,631,499.71/x
  3. Step 3: Cross multiply
    145,437,346.02x = 218,154,581.21 × 66,631,499.71
  4. Step 4: Simplify right side
    145,437,346.02x = 14,535,966,914,296,130
  5. Step 5: Solve for x
    x = 14,535,966,914,296,130/145,437,346.02
  6. Step 6: Final answer
    x = 99,946,590.84

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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.