Home / 142,048,795.94-213,070,669.89-45,001,981.22

Finding the Fourth Proportional to 142,048,795.94, 213,070,669.89 and 45,001,981.22

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Solution

The fourth proportional to 142,048,795.94, 213,070,669.89 and 45,001,981.22 is: 67,502,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,048,795.94 : 213,070,669.89 = 45,001,981.22 : x
  2. Step 2: Convert to fraction form
    142,048,795.94/213,070,669.89 = 45,001,981.22/x
  3. Step 3: Cross multiply
    142,048,795.94x = 213,070,669.89 × 45,001,981.22
  4. Step 4: Simplify right side
    142,048,795.94x = 9,588,602,284,922,598
  5. Step 5: Solve for x
    x = 9,588,602,284,922,598/142,048,795.94
  6. Step 6: Final answer
    x = 67,502,172.20

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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.