Home / 282,674,699.51-390,085,491.47-157,224,196.87

Finding the Fourth Proportional to 282,674,699.51, 390,085,491.47 and 157,224,196.87

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Solution

The fourth proportional to 282,674,699.51, 390,085,491.47 and 157,224,196.87 is: 216,966,280.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,674,699.51 : 390,085,491.47 = 157,224,196.87 : x
  2. Step 2: Convert to fraction form
    282,674,699.51/390,085,491.47 = 157,224,196.87/x
  3. Step 3: Cross multiply
    282,674,699.51x = 390,085,491.47 × 157,224,196.87
  4. Step 4: Simplify right side
    282,674,699.51x = 61,330,878,105,248,648
  5. Step 5: Solve for x
    x = 61,330,878,105,248,648/282,674,699.51
  6. Step 6: Final answer
    x = 216,966,280.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.